Respuesta :
Answer:
y = 4
Step-by-step explanation:
21 = 3(y + 3), Distribute
21 = 3y + 9, Subtract 9 on both sides
12 = 3y, Divide 3 on both sides
4 = y
Answer:
y = 4
Step-by-step explanation:
21 = 3(y + 3), Distribute
21 = 3y + 9, Subtract 9 on both sides
12 = 3y, Divide 3 on both sides
4 = y