Math 7x - 4(x + 4) + 20 = 25 Asked by AnneS2 on 24 Aug 06:05 Last updated by anonymous on 26 Aug 10:52
7x - 4(x + 4) + 20 = 25 7x - 4(x) (-4)( + 4) + 20 = 25 7x - 4x -16 + 20 = 25 3x + 4 = 25 3x + 4-4 = 25-4 3x=21 3x/3=21/3 x=7