25=3+7r

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Solution for 25=3+7r equation: 



25=3+7r

We move all terms to the left:

25-(3+7r)=0

We add all the numbers together, and all the variables

-(7r+3)+25=0

We get rid of parentheses

-7r-3+25=0

We add all the numbers together, and all the variables

-7r+22=0

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

-7r=-22

r=-22/-7

r=3+1/7

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