Solve 2x + 4y = 38 and - 2x + 2y = - 2

- 2x + 2y = - 2

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

2y=- 2+2x

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

y=-1+x

2x + 4y = 38

2x + 4(-1+x) = 38

2x + 4(-1) (4)(+x) = 38

2x -4 +4x= 38

-4 +6x= 38

-4 +6x+4= 38+4

6x=42

6x/6=42 /6

x=7

y=-1+x

y=-1+7

y=6