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A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.
9x-2y=-75
2x-2y=-12
Answer choice:
A) Add to eliminate x.
B) Add to eliminate y.
C) subtract to eliminate y.
D)subtract to eliminate x.

Respuesta :

Onoriodefelix

Answer:

C.) subtract to eliminate y

Step-by-step explanation:

Given

9x - 2y = -75

2x - 2y = -12

Subtract to eliminate y

-2y - (-2y) = -2y + 2y = 0

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