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What is the answer to -3r+10=15r-8

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What is the answer to -3r+10=15r-8

asked Feb 28, 2018 194k views

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What is the answer to -3r+10=15r-8

Mathematics
middle-school

8.5k points

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2 Answers

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-3r+10=15r-8
-15+8 -15+8
-3r+-15r=-18r
8+10=18
18=-18r
18/-18r
-1 =r

Andy Ford answered Mar 2, 2018

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4 votes

-3r+10=15r-8
10-8=15r+3r
2=18r
2/18 = r
1/9 =r

Wonea answered Mar 5, 2018

by Wonea

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