3(1 - 3x) = 2(-4x + 7)
x= -11
-31 - 4x = -5 -5(1 + 5x)
x = 1
3(a − 6) = −5a − (7 + 3a)
a = 1
3(1 − 3x) = 2(−4x + 7)
x = -11
38 + 7k = 8(k + 4)
x = 6
6x + 16 = 2x + 28
x = 3