25-88=-7r

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Solution for 25-88=-7r equation: 



25-88=-7r

We move all terms to the left:

25-88-(-7r)=0

We add all the numbers together, and all the variables

-(-7r)-63=0

We get rid of parentheses

7r-63=0

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

7r=63

r=63/7

r=9

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