makayllaa
makayllaa makayllaa
  • 26-04-2016
  • Mathematics
contestada

Please help!! -5 = 7 + 3r

Please help 5 7 3r class=

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sadlittlekids
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
Answer Link

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