1) 8(4x + 4) = -332x + 32 = -332x = -6x = -2
2) -24(7 - 9y) = -4168 - 216y = -4-216y = -21y = 1
3) -7(2 - 3x) = 5-14 + 21x = 521x = 7x = 10/3
4) (5 + 7a) * 15 = -375 + 105a = -3105a = -10a = -1
1) 8(4x + 4) = -3
32x + 32 = -3
32x = -6
x = -2
2) -24(7 - 9y) = -4
168 - 216y = -4
-216y = -21
y = 1
3) -7(2 - 3x) = 5
-14 + 21x = 5
21x = 7
x = 10/3
4) (5 + 7a) * 15 = -3
75 + 105a = -3
105a = -10
a = -1