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8r-8=-32 so what is r?

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8r-8=-32 so what is r?

asked Aug 18, 2015 50.9k views

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8r-8=-32 so what is r?

Mathematics
middle-school

by Chmod

7.8k points

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2 Answers

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$8r-8=-32\\ 8r=-24\\ r=-3$

Lroha answered Aug 19, 2015

by Lroha

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7 votes

$8r-8=-32\ \ \ \ \ | add\ 8\\\\ 8r=-32+8\\\\ 8r=-24\ \ \ \ | divide\ by\ 8\\\\r=-3\\\\solution\ is\ r=-3.$

Chris Pitman answered Aug 25, 2015

by Chris Pitman

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