-4+10r=7r-7

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Solution for -4+10r=7r-7 equation: 



-4+10r=7r-7

We move all terms to the left:

-4+10r-(7r-7)=0

We get rid of parentheses

10r-7r+7-4=0

We add all the numbers together, and all the variables

3r+3=0

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

3r=-3

r=-3/3

r=-1

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