Question

1. solve for x: -4x - 4 = -7x - 19

Explanation:

Step1: Add 7x to both sides

$-4x + 7x-4=-7x + 7x-19$
$3x-4=-19$

Step2: Add 4 to both sides

$3x-4 + 4=-19 + 4$
$3x=-15$

Step3: Divide both sides by 3

$\frac{3x}{3}=\frac{-15}{3}$
$x=-5$

Answer:

$x = - 5$