-3+8r=7r-9

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Solution for -3+8r=7r-9 equation: 



-3+8r=7r-9

We move all terms to the left:

-3+8r-(7r-9)=0

We get rid of parentheses

8r-7r+9-3=0

We add all the numbers together, and all the variables

r+6=0

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

r=-6

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