Answer: 3n+21
Step-by-step explanation: it’s the distributive property so you multiply the number outside the parentheses times the numbers or number inside the parentheses
Answer:
3n+21
IF the question required =0 then move the 21 to the other side
and divide both sides by 3 and x would equal to -7
Step-by-step explanation:
3(n+7)
use the distributive property, so multiply 3 with n and 7
