2 years ago

What is the slope of the graph of x+y=5 A) 1 B) -5 C) -1 D) 5

Mathematics

1 answer:

Maksim231197 [3]2 years ago

3 0

The slope of the graph x+y=5 is B -5

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Solve the system of equations 4x+5y=-1 and -5x-8y=10 by combining the equations.

Nimfa-mama [501]

The solution of the equation are as follows:

x = 6 and y = -5

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<h3>How to solve the system of equation?</h3>

4x + 5y = -1

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Therefore,

20x + 25y = -5

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Hence,

4x + 5(-5) = -1

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1 year ago

I Need help again :)

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Solve the following equation for the unknown quantity: 12x-8=3x+10. a. x=4 b. =2 c =12 d. x=1/2

dezoksy [38]

Answer:

b. x=2

Step-by-step explanation:

Step 1- Move the variable to one side.

12x-8= 3x+10

-3x -3x

9x-8= 10

Step 2- Add 8 to both sides.

9x-8= 10

+8 +8

9x= 18

Step 3- Divide to both sides.

9 9

x= 2

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3 years ago