7(r-82)=77

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Solution for 7(r-82)=77 equation: 



7(r-82)=77

We move all terms to the left:

7(r-82)-(77)=0

We multiply parentheses

7r-574-77=0

We add all the numbers together, and all the variables

7r-651=0

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

7r=651

r=651/7

r=93

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