Question 234964
22-42=4(x-1)

22 - 42 = 4x - 4

-20 = 4x - 4

-20 + 4 = 4x

-16 = 4x

-16/4 = x

-4 = x

THE PROVE:

Let x = -4

22 - 42 = 4((-4)-1)

-20 = 4(-5)

-20 = -20

The answer is x = -4