Question

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

Explanation:

Step1: Expand the left side

$3y + 3y + 21 = -9$

Step2: Combine like terms

$6y + 21 = -9$

Step3: Subtract 21 from both sides

$6y = -30$

Step4: Divide by 6

$y = -5$

Answer:

-5