1) 8(4x + 4) = -3232x + 32 = -3232x = -64x = -2
2) -24(7 - 9y) = -48168 - 216y = -48-216y = -216y = 1
3) -7(2 - 3x) = 56-14 + 21x = 5621x = 70x = 10/3
4) (5 + 7a) * 15 = -3075 + 105a = -30105a = -105a = -1
1) 8(4x + 4) = -32
32x + 32 = -32
32x = -64
x = -2
2) -24(7 - 9y) = -48
168 - 216y = -48
-216y = -216
y = 1
3) -7(2 - 3x) = 56
-14 + 21x = 56
21x = 70
x = 10/3
4) (5 + 7a) * 15 = -30
75 + 105a = -30
105a = -105
a = -1