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Svetllana [295]
3 years ago
10

Please help!! -5 = 7 + 3r

Mathematics
2 answers:
Alika [10]3 years ago
8 0
R would equal -4. Subtract 7 from each side & youll get -12=3r then divide each side by 3.
Pachacha [2.7K]3 years ago
7 0
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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