Question

Solve for x: −3|x + 7| = −12 (2 points)

Answer 1

Answer:

$x = - 3 \: \: and \: \: x = - 11$

Step-by-step explanation:

$- 3 |x + 7| = - 12 \\ |x + 7| = ( - 12) \div ( - 3) \\ |x + 7| = 4 \\ 1. \: x + 7 = 4 \: \: \: 2. \: x + 7 = - 4 \\ \: \: \: \: x = 4 - 7 \: \: \: \: \: \: \: \: x = - 4 - 7 \\ \: \: \: \: x = - 3 \: \: \: \: \: \: \: \: \: \: \: \: x = - 11$