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2 years ago

Does anyone know what this is?

Mathematics

1 answer:

ad-work [718]2 years ago

3 0

Turn them into linear equation.

4y + x = -17

-x -x

4y = -x - 17

--- ---- ---

4 4 4

y = -1/4x - 17/4

-2y + 2x = 16

-2x -2x

-2y = -2x + 16

----- ---- -----

-2 -2 -2

y = 1x - 8

Solve for x.

-1/4x - 17/4 = 1x - 8

+1/4x +1/4x

-17/4 = 5/4x - 8

+8 +8

15/4 = 5/4x

------ -----

5/4 5/4

3 = x

Check:

-1/4(3) - 17/4 = 1(3) - 8

-3/4 - 17/4 = 3 - 8

-5 = -5

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WILL MAKR BRIANLIEST IF RIGTH!!!