-5-10=8-7r

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Solution for -5-10=8-7r equation: 



-5-10=8-7r

We move all terms to the left:

-5-10-(8-7r)=0

We add all the numbers together, and all the variables

-(-7r+8)-5-10=0

We add all the numbers together, and all the variables

-(-7r+8)-15=0

We get rid of parentheses

7r-8-15=0

We add all the numbers together, and all the variables

7r-23=0

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

7r=23

r=23/7

r=3+2/7

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