Question

1. -7(u + 7) = 56

Explanation:

Step1: Divide both sides by -7

$\frac{-7(u+7)}{-7} = \frac{56}{-7}$
$u+7 = -8$

Step2: Subtract 7 from both sides

$u+7-7 = -8-7$

Answer:

$u = -15$