Question

Which expression is equivalent to 21 + 5(n − 3) + 7n?

A) 23 + 8n
B) 26 + 4n
C) 6(1 + 2n)
D) 6(3 + 2n)

Answer 1

your answer is gonna be C!

Explanation:

21+5n−15+7n

2 Collect like terms.

(21-15)+(5n+7n)

(21−15)+(5n+7n)

3 Simplify.

6+12n

6+12n