Simplify. 8m+4n+7m−2n What is the answer? A. m + 2n B. 17mn C. 15m + 2n D. 15m + 6n

asked Dec 21, 2018 230k views

5 votes

Simplify.

8m+4n+7m−2n

What is the answer?

A. m + 2n
B. 17mn
C. 15m + 2n
D. 15m + 6n

by Yolk

7.9k points

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1 vote

Simple. Just add/subtract each term. 4n-2n=2n. 8m+7m=15m.
This is very basic stuff.

Vanest answered Dec 23, 2018

7.9k points

2 votes

(8m + 7m) + (4n - 2n)
15m + 2n

Answer: C)

EightyEight answered Dec 27, 2018

8.7k points

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