What is -8x - 2y= -4 when y equals -5x

asked Apr 16, 2019 192k views

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-8x - 2y = -4 ; y = -5x
-8x - 2(-5x) = -4
-8x + 10x = -4
2x = -4
2x/2 = -4/2
x = -4/2 = -2/1 = -2
x = -2

SmallChess answered Apr 17, 2019

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5 votes

-8x - 2y = -4

When y = -5x
-8x - 2(-5x) = -4
- 8x + 10x = -4
2x = -4
x = -4/2 = -2

Benkax answered Apr 20, 2019

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