Question

solve for x.
-7x - 15 = -3(x + 9)
simplify your answer as much as possible.
x =

Explanation:

Step1: Expand right-hand side

$-7x - 15 = -3x - 27$

Step2: Add $7x$ to both sides

$-15 = 4x - 27$

Step3: Add 27 to both sides

$12 = 4x$

Step4: Divide by 4

$x = \frac{12}{4} = 3$

Answer:

$x = 3$