25+r=(2+7r)+6r

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Solution for 25+r=(2+7r)+6r equation: 



25+r=(2+7r)+6r

We move all terms to the left:

25+r-((2+7r)+6r)=0

We add all the numbers together, and all the variables

r-((7r+2)+6r)+25=0



We calculate terms in parentheses: -((7r+2)+6r), so:

(7r+2)+6r

We add all the numbers together, and all the variables

6r+(7r+2)

We get rid of parentheses

6r+7r+2

We add all the numbers together, and all the variables

13r+2

Back to the equation:

-(13r+2)



We get rid of parentheses

r-13r-2+25=0

We add all the numbers together, and all the variables

-12r+23=0

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

-12r=-23

r=-23/-12

r=1+11/12

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