141k views
4 votes
Combine like terms.

8 + 16r – 9r

A.
8 + 7r

B.
15r

C.
15

D.
8 – 7r

User Marabol
by
6.7k points

2 Answers

5 votes
Didn't someone just ask this right now? lol

Subtract 16r by 9r, which gives you 7r, and that leaves you with 8 + 7r. You cannot add normal numbers to numbers with variables, so your answer is A.
User Lurr
by
7.3k points
6 votes
You leave the 8 and then put the variable's constants together getting 7 so the answer is 8+7r or A
User Justsee
by
7.5k points
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