-79=-8r+9

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Solution for -79=-8r+9 equation: 



-79=-8r+9

We move all terms to the left:

-79-(-8r+9)=0

We get rid of parentheses

8r-9-79=0

We add all the numbers together, and all the variables

8r-88=0

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

8r=88

r=88/8

r=11

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