Question

4b + 3 = -9

Explanation:

Step1: Subtract 3 from both sides

$4b + 3 - 3 = -9 - 3$
$4b = -12$

Step2: Divide by 4 on both sides

$\frac{4b}{4} = \frac{-12}{4}$
$b = -3$

Answer:

$b = -3$