7r-8=10r+10

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



7r-8=10r+10

We move all terms to the left:

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

We get rid of parentheses

7r-10r-10-8=0

We add all the numbers together, and all the variables

-3r-18=0

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

-3r=18

r=18/-3

r=-6

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