Peartzfewoutlex Peartzfewoutlex
  • 20-12-2016
  • Mathematics
contestada

help please.

r/5 - 6 = -1
A) r = 1
B) r = 5
C) r = 10
D) r = 25

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Аноним Аноним
  • 20-12-2016
Hello :),

[tex] \frac{r}{5}-6=-1 \\ \\ \frac{r}{5} =-1+6=5 \\ \\ r=5*5=25 [/tex].
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