Answer:
y=20
Step-by-step explanation:
Let's solve your equation step-by-step.
3y+21=81
Step 1: Subtract 21 from both sides.
3y+21−21=81−21
3y=60
Step 2: Divide both sides by 3.
3y/3 60/3
Answer:20
Answer:
y = 20
Step-by-step explanation:
3y + 21 = 81
-21 -21 (21 cancels)
3y = 60
/3 /3 (3 cancels)
y = 20
