jbspiderman10ovtrvg jbspiderman10ovtrvg
  • 18-01-2018
  • Mathematics
contestada

solve for r 108 = 9r

Respuesta :

frogkin48 frogkin48
  • 18-01-2018
9r=108

To solve for r, we must isolate it. To do this, divide both sides by 9.

r=108/9

Simplified, r=9
Answer Link
shawnkat
shawnkat shawnkat
  • 18-01-2018
Hey there!
Our goal here is to isolate r. In order to do that, we must do the opposite of the operation that is being done to r.
That operation just happens to be multiplication. Since 9 is being multiplied by 9, we divide both sides by r to solve for r.
We get:
r = 108/9
r = 12
Hope this helps!
Answer Link

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