25+8r=8r+5(r+7)

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Solution for 25+8r=8r+5(r+7) equation: 



25+8r=8r+5(r+7)

We move all terms to the left:

25+8r-(8r+5(r+7))=0



We calculate terms in parentheses: -(8r+5(r+7)), so:

8r+5(r+7)

We multiply parentheses

8r+5r+35

We add all the numbers together, and all the variables

13r+35

Back to the equation:

-(13r+35)



We get rid of parentheses

8r-13r-35+25=0

We add all the numbers together, and all the variables

-5r-10=0

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

-5r=10

r=10/-5

r=-2

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