Question

18 - 4x = -2

Explanation:

Step1: Subtract 18 from both sides

$18 - 4x - 18 = -2 - 18$
$-4x = -20$

Step2: Divide by -4 on both sides

$\frac{-4x}{-4} = \frac{-20}{-4}$

Answer:

$x=5$