7(r-79)=91

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Solution for 7(r-79)=91 equation: 



7(r-79)=91

We move all terms to the left:

7(r-79)-(91)=0

We multiply parentheses

7r-553-91=0

We add all the numbers together, and all the variables

7r-644=0

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

7r=644

r=644/7

r=92

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