-3=r/9+8

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Solution for -3=r/9+8 equation: 



-3=r/9+8

We move all terms to the left:

-3-(r/9+8)=0

We get rid of parentheses

-r/9-8-3=0

We multiply all the terms by the denominator


-r-8*9-3*9=0

We add all the numbers together, and all the variables

-1r-99=0

We move all terms containing r to the left, all other terms to the right

-r=99

r=99/-1

r=-99

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