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3 votes
-7 (2r -1) + 3(8 -r )

User Afsara
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2 Answers

2 votes
First do the distributive property and then combine like terms. You should get -17r+31
User Nmokkary
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3 votes

You need to apply the -7 to both 2r and -1. You need to do the same with the 3, applying it to 8 and -r.

-14r + 7 + 24 -3r

Now you would want to combine like terms.

-17r + 31

User Brandon Kohn
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4.8k points