5x + 1 = 66
7X-14=0
4x + 12 = 0
4) 5X=-30
5X :(-3) = -12
6) 22 X = -8+4 X
77 7x-6 = x
8) 8 x + = 5X-5
9) 9(x-2) = -63
10) 2(x-1) = 6​