Question

$5x - 7 = 13$

Explanation:

Step1: Add 7 to both sides

$5x - 7 + 7 = 13 + 7$
$5x = 20$

Step2: Divide both sides by 5

$\frac{5x}{5} = \frac{20}{5}$
$x = 4$

Answer:

$x=4$