makayllaa
makayllaa
26-04-2016
Mathematics
contestada
Please help!! -5 = 7 + 3r
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sadlittlekids
sadlittlekids
26-04-2016
R would equal -4. Subtract 7 from each side & youll get -12=3r then divide each side by 3.
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SinemB
SinemB
26-04-2016
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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