Question

$5x + 9 = 20$

Explanation:

Step1: Subtract 9 from both sides

$5x + 9 - 9 = 20 - 9$
$5x = 11$

Step2: Divide by 5 on both sides

$\frac{5x}{5} = \frac{11}{5}$

Answer:

$x = \frac{11}{5}$ or $x=2.2$