Answer
The solution is -4
Work Step by Step
22-42=4(x-1) Apply the distributive property
-20= 4x-4$\times$ 1
-20= 4x-4 Add 4 to both sides
-20+4=4x-4+4 Simplify
-16=4x Divide both sides by 4
$\frac{-16}{4}$ =$\frac{4x}{4}$
-4=x
The solution is -4
Check
22-42=4(x-1)
22-42=4(-4-1)
-20=4(-5)
-20=-20