1) -8(3+X) + X = 4-24 - 8X + X = 4-7X = 28X = -4
2) -6 = -9(7+X) + 4X-6 = -63 - 9X + 4X-6 = -63 - 5X5X = -57X = -57/5 = -11.4
3) -8X + 4(7 + 8X) = 4X + 7-8X + 28 + 32X = 4X + 724X + 28 = 4X + 720X = -21X = -21/20 = -1.05
1) -8(3+X) + X = 4
-24 - 8X + X = 4
-7X = 28
X = -4
2) -6 = -9(7+X) + 4X
-6 = -63 - 9X + 4X
-6 = -63 - 5X
5X = -57
X = -57/5 = -11.4
3) -8X + 4(7 + 8X) = 4X + 7
-8X + 28 + 32X = 4X + 7
24X + 28 = 4X + 7
20X = -21
X = -21/20 = -1.05