Please help!! -5 = 7 + 3r

asked Dec 26, 2017 144k views

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R would equal -4. Subtract 7 from each side & youll get -12=3r then divide each side by 3.

Kevin Reilly answered Dec 27, 2017

7.9k points

1 vote

Hi!

-5 = 7+3r

-5-3r = 7+3r-3r

-5-3r = 7

-5-3r+5 = 7+5

-3r = 12

-3r 12
▬ = ▬
-3 -3

r= -4

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