39=8r-9

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Solution for 39=8r-9 equation:



39=8r-9
We move all terms to the left:
39-(8r-9)=0
We get rid of parentheses
-8r+9+39=0
We add all the numbers together, and all the variables
-8r+48=0
We move all terms containing r to the left, all other terms to the right
-8r=-48
r=-48/-8
r=+6

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