-8r+26=7(r-7)

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Solution for -8r+26=7(r-7) equation: 



-8r+26=7(r-7)

We move all terms to the left:

-8r+26-(7(r-7))=0



We calculate terms in parentheses: -(7(r-7)), so:

7(r-7)

We multiply parentheses

7r-49

Back to the equation:

-(7r-49)



We get rid of parentheses

-8r-7r+49+26=0

We add all the numbers together, and all the variables

-15r+75=0

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

-15r=-75

r=-75/-15

r=+5

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