12y=17-9x and -4y-3x=31 solve by elimination

Answers

Answer 1

Answer:

0 ≠ 110

No solution

Step-by-step explanation:

Solve by Addition/Elimination

12y = 17 − 9x and −4y − 3x = 31

Reorder 17 and −9x. 12y = −9x + 17

−4y − 3x = 31

Add 9x to both sides of the equation.

12y + 9x = 17

−4y − 3x = 31

Reorder the polynomial.

9x + 12y = 17

−4y − 3x = 31

Reorder the polynomial.

9x + 12y = 17

−3x − 4y = 31 9x + 12y = 17

 Multiply each equation by the value that makes the coefficients of x opposite.

9x + 12y = 17

(3) ⋅ (−3x − 4y) = (3) (31)

Simplify (3) ⋅ (−3x − 4y).

Apply the distributive property.

9x + 12y = 17

3 (−3x) + 3 (−4y) = (3) (31)

Multiply −3 by 3. 9x + 12y = 17

−9x + 3 (−4y) = (3) (31)

 Multiply −4 by 3. 9x + 12y = 17

−9x − 12y = (3) (31)

 Multiply 3 by 31. 9x + 12y = 17

−9x − 12y = 93

Add the two equations together to eliminate x from the system.

9x+12y=17

+−9x−12y=93

0=110

Since 0 ≠ 110, there are no solutions. No solution


Related Questions

Please Answer this quick!

Answers

Answer:

n = -1

Step-by-step explanation:

First distribute the -4

15-4n+8=27

Combine 8 & 15

-4n+23=27

Subtract 23 from each side

-4n=4

Divide each side by -4

n=-1

Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!

Answer:

n= -1

Step-by-step explanation:

15-4(n-2)=27 do the () first

15-4n+8=27  subtract 15 and 8 from both sides to get the -4n alone

-4n= 4  divide by -4

n= -1

What is the probability of picking a diamond card on a deck of cards

Answers

There are 13 diamond cards in a stack of 52 cards,

so the probability of picking a diamond is 13/52 or 1/4

Answer:

very low chance

Step-by-step explanation:

this is because onñy wbout 1 or 2 of those cards come in a deck, if not none

First to answer gets brainliest (Has to be correct answer)

Answers

If you go to a reliable sores that would be hard to understand but there is google that ca help you with what you need

If 2/3=x/12, what is the value of x will give 15 points​

Answers

Answer:

x=8

Hope to help

Answer:

8

Step-by-step explanation:

2/3=x/12

cross multiply

3x=24

divide each side by 3

x=8

Ken and Paul


Trey and Viona have been mowing lawns to earn extra money. Their jobs earn them $52 per week. Ken worked for x amount of weeks and earned an extra of $20. Viona worked for y weeks. From the expressions below, select one that determines the total amount that Ken and Paul earned mowing lawns.

a
72x + 52y

b
52x + 20 + 52y

c
52x − 20 + 52y

d
52x + 72y

Answers

Answer:

B.) 52x + 20 + 52y

Step-by-step explanation:

Trey and Viona have been mowing lawns to earn extra money.Their jobs earn them $52 per weekKen worked for x amount of weeks and earned an extra of $20Viona worked for y weeks

The total amount they earned = $52x + $20 + $52y

Geometry question need help solving?

Answers

An

Step-by-step explanat

What is the answer QUICKLY PLZ −6+|2x+7|=−10

Answers

Step-by-step explanation:

x=3/2 it's the final result

Answer:

-5.5

Step-by-step explanation:

-10 - -6 = -4

2x+7 = -4

-4 - 7 = -11

2x = -11

x = -5.5

solve the equation for w.x=w/a

Answers

Answer:

Step-by-step explanation:

x=w/a

Multiply both sides by a

xa=w

Use the following function rule to find f(3).
f(x) = 12 – 3x
f(3)

Answers

Answer:

its 4

:))))))))))))))))) enjoy

What is the degree of the polynomial f(x)=5x^4 -7x^3-12x^2+4x-2?

Answers

The degree of the polynomial is 4.

Explanation: Look at the highest degree in the polynomial. The highest degree in the given polynomial is 4. (The 5x^4 contains the highest degree which is, of course, 4.)
I hope this helps.

Karla is solving the system of equations below.

3x+4y=-2 y=1/2x+2

What of the following is the solution karla’s system equations?

A: 2,-2
B: 2,-1
C: -2,-2
D: -2,1

Answers

I’m pretty sure it’s d

write any three rational numbers between -2 and 0.
please answer fast!!!!!!!​

Answers

3 rational numbers between -2 and 0 are -1.5, -1, and -0.5.

Rational numbers can be either positive or negative, and can even be decimals. Therefore, -1.5, -1 and -0.5 are all rational numbers.

(make sure you change up my words a bit if you're submitting this online, there are bots that scan your words to see if you're getting your answers online!)

The system of equations below has exactly one (x, y) pair for its solution.

4x+6y=244x+6y=24
2x+y=82x+y=8
If we double each side of the second equation, 2x+y=82x+y=8, we have 4x+2y=164x+2y=16. Explain why the same pair that is the solution to the system is also a solution to this new equation.
If needed, you can support your explanation with hanger diagrams (upload a picture), or by inventing a situation that the equations represent.
If we add the two equations in the original system, we have 6x+7y=326x+7y=32. Explain why the same (x, y) pair is also a solution to this equation.
Again, you can support your explanation with diagrams or a situation, if needed.

Answers

Answer:

7.9

Step-by-step explanation:

because you don't make sentence

2= 1/6 (10x+6) solve the x

Answers

Answer:

x=3/5 or 0.6

Step-by-step explanation:

estimate the sum or difference 9/10 + 7/8

Answers

Sum: 1 31/40 Difference: 1/40
IM SORRY IF IM WRONG I’m dumb I forgot how to this and im in middle school :,)

Tony and Caroline are trying to solve the following system. Tony says to multiply the first equation by 4. Caroline says to multiply the first equation by 2. Which student's first step will work toward eliminating a variable?

A:Only Tony's idea will work toward eliminating a variable.
B:Only Caroline's idea will work toward eliminating a variable.
C:Neither of these will work.
D:BOTH ideas will work toward eliminating a variable.

Answers

Answer:

i believe its b?

Step-by-step explanation:

am still doing the test

Given that the equation y=mx + b where m is 12 and the line passes through the point (-2,8), what would be the value of b?

a. b = -16
b. b = -8
c. b = 16
d. b = 32

Answers

Answer:

d

Step-by-step explanation:

The answer would be D. We can continue the line from the point (-2,8) because we know the slope so we will continue it forward by two on the x axis. Since we go forward by two we are going up by 24 (12*2) on the y axis so the y intercept (b) would be 8 + 24 which is 32. Sorry if it is hard to understand.

Marcus had $21 to spend on two posters. After buying them he had $13. How much did each poster cost?

Answers

Answer:

$4

Step-by-step explanation:

Each poster cost $4 because $21 - $13 is $8 and you said he bought 2 posters so $8 divided by 2 is $4

The function y = 2x + 8 represents the cost y (in dollars) of a large pizza with x toppings, where x
is equal to 0, 1, 2, or 3.
Identify the independent and dependent variables, the domain, and the range.

Answers

Answer:

0 ,1,2,3,/ is range/ y is the independent varibal/ x is the dependent varible/ /the equation is the domain

Step-by-step explanation:

The domain and independent variables are 0, 1, 2, and 3.

The range and dependent variables are 8, 10, 12, and 14.

What is a function?

A function is defined as a relation between a set of inputs having one output each.

Inputs are called the domain and independent variables.

Outputs are called the range and dependent variables.

We have,

y = 2x + 8

y = cost of pizza in dollar

x = toppings on pizza

x = 0, 1, 2, or 3

y = 2 x 0 + 8 = 8

y = 2 x 1 + 8 = 2 + 8 = 10

y = 2 x 2 + 8 = 4 + 8 = 12

y = 2 x 3 + 8 = 6 + 8 = 14

Thus,

The domain and independent variables are 0, 1, 2, and 3.

The range and dependent variables are 8, 10, 12, and 14.

Learn more about functions are:

https://brainly.com/question/28135761

#SPJ2

POSSIBLE POINTS: 16.67
Savannah drew a map of Texas for her Geography class. According to Savannah's map scale, one half inch on the map
represents approximately 15 kilometers. If the actual distance from Austin to El Paso is approximately 360 kilometers, what is the
approximate distance between Austin and El Paso on Savannah's map?
Fill in the ratio table before solving for the answer. Make sure you spell the labels correctly and use decimals for numbers less than
one.
What is the distance in inches on the map?
inches
1 2 3
4
5
6
Next →

Answers

Answer:

24 inches

Step-by-step explanation:

On a scaled map, 1.25 inches = 10 miles. The
measurement from your hotel to the museum is 3.25
inches. What is the actual distance?

A. 26 miles

B. 3.8 miles

C. 32.5 miles

D. 38 miles

Answers

Answer:

A

Step-by-step explanation:

In the diagram, line / is parallel to line m and line w is a transversal.
If m 42 = 3x + 17 and m 43 = 5x -21, what is m&1?
3
2
A
86
B
19
t
с
23
D
74

Answers

here this might help

i had fell asleep but this for the nikkas det wanted to see what i look like <3

Answers

Answer:

yes

Step-by-step explanation:

You are saving for a new computer monitor. You already have $75. The monitor costs a total of $400. You save $25 each week.
Write an equation using w, to represent the number of weeks that you will have to save in order to purchase the monitor. Use your equation and solve algebraically. Explain your solution. i dont understand pls help

Answers

Answer:

13 weeks

Step-by-step explanation:

1. $400-$75= 325

2. 25w=325 (because you save $25 a week)

3. w=325/25

4. w= 13 (325 divided by 25 is 13)

A 10-pound sack of flour costs $8.
How much does 40 pounds of flour cost?
What is the cost per pound of flour?

Answers

Divide 10 & 8
Then multiply your answer by 40

I am a perfect fraction the sum of my numerator and denominator is one less than a perfect square. Their difference is one more than a perfect square.
their product is one less than a perfect square. what fraction am I?

Answers

Answer:

free points sorry lol same person

Step-by-step explanation:

Solve for z:
14=z-(-12)
z=___

Answers

Answer:

z=2

Step-by-step explanation:

14=z+12

2=z

Answer: The answer is z=2.

Step-by-step explanation: Step 1. Simplify the both sides of the equation: [tex]14=z+12[/tex].

Step 2. I flipped the equation that looks like this: [tex]z+12=14[/tex].

Last but not least is step 3. Subtract 12 from the both sides: [tex]z+12-12=14-12[/tex]; ∴, your answer should be z=2, I hoped this helps, Happy New Year, and mark me as brainliest. :D

Can someone help my sis on these questions? I dont remember how to do these things (part 1)

Answers

Answer:

Read below for each answer! (^-^)

Step-by-step explanation:

1: You got the first one right. The explanation does explain why but think about 0 as the surface of the water to better understand.

2: -3; it is between 2 and 4 with only one line through it meaning that it is -3.

3: 7. That's the greatest number both can divide into it.

4: The last one. Any positive number is greater than a negative one and peanut butter's freezing point is positive while the other one's is not.

5: You got it right again! -(-1) has two negatives. Two negatives (mostly) make a positive. So positive 1! Now describe that on a number line.

Hope this helps!

A copy machine is set to enlarge an image 160%. If the original image is 3 inches tall, how
tall will the enlarged image be?
O about 480 in.
about 163 in
O about 4.8 in.
O about 4.6 in.

Answers

Answer:

The enlarged image will be about 4.8 inches

Step-by-step explanation:

Here, we want to know how tall the image will be

Mathematically;

That will simply be 160% of 3 inches

We have;

160/100 * 3 = 480/100 = 4.8 inches

Greg bought 19 11/16 gallons of gas. What decimal should the meter on the gas pump read? (19 11/16 its a fraction) plss help <33

Answers

Answer:

That would be 19.6875 in decimal form.

Step-by-step explanation:

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