-7(r+1)+5(7r+7)=56

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Solution for -7(r+1)+5(7r+7)=56 equation: 



-7(r+1)+5(7r+7)=56

We move all terms to the left:

-7(r+1)+5(7r+7)-(56)=0

We multiply parentheses

-7r+35r-7+35-56=0

We add all the numbers together, and all the variables

28r-28=0

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

28r=28

r=28/28

r=1

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