Question

3(y+3)=12
y+3=4
Add 3 to both sides
Subtract 3 from both sides
Multiply both sides by 3
Divide both sides by 3
Combine like terms
y=
Subtract 3 from both sides

Answer 1

Start with 3(y+3)=12.

Step 1 — divide both sides by 3:
y+3 = 12 ÷ 3 = 4.

Step 2 — subtract 3 from both sides:
y = 4 − 3 = 1.

So y = 1.