Question

solve for j.
-7j - 14j + 9 = -12
j = \boxed{}

Explanation:

Step1: Combine like terms

$-7j - 14j + 9 = -21j + 9 = -12$

Step2: Subtract 9 from both sides

$-21j + 9 - 9 = -12 - 9$
$-21j = -21$

Step3: Divide by -21

$\frac{-21j}{-21} = \frac{-21}{-21}$

Answer:

$1$