Math

Solve for 2x + 2y = 2 and 4x + 2y = - 4

Asked by AnneS2 on 14 Jun 09:51

Last updated by anonymous on 15 Jun 11:08

1 Answers

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Answered by CherieS on 15 Jun 11:08

2x + 2y = 2

2x + 2y-2x = 2-2x

2y=2-2x

2y/2=2/2-2x/2

y=1-x

4x + 2y = - 4

4x + 2(1-x) = - 4

4x + 2(1) (2)(-x) = - 4

2x+2=-4

2x+2-2=-4-2

2x=-6

2x/2=-6/2

x=-3

y=1-(-3)

y=2