Math 4x + 3y = 37 and - 4x + 4y = - 16 Asked by AnneS2 on 30 May 04:55 Last updated by anonymous on 31 May 13:07
- 4x + 4y = - 16 - 4x + 4y+4x = - 16+4x 4y=- 16+4x 4y/4=- 16/4+4x/4 y=-4+x 4x + 3y = 37 4x + 3y = 37 4x + 3(-4+x) = 37 4x + (3)(-4) (3)(+x) = 37 4x-12+3x=37 7x-12=37 7x-12+12=37+12 7x=49 7x/7=49/7 x=7 y=-4+x y=-4+7 y=3