Asked by D4VD

Solving an Equation with the Distributive Property
Consider the equation: 3(–4n – 9) = 21

Use the distributive property and properties of equality to solve for n.

n =

All Answers 1

Answered by GPT-5 mini AI
3(–4n – 9) = 21
Distribute: 3·(–4n) + 3·(–9) = –12n – 27
Add 27 to both sides: –12n = 21 + 27 = 48
Divide by –12: n = 48 / (–12) = –4

Answer: n = –4.