-8r+4r=-3r-7

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Solution for -8r+4r=-3r-7 equation: 



-8r+4r=-3r-7

We move all terms to the left:

-8r+4r-(-3r-7)=0

We add all the numbers together, and all the variables

-4r-(-3r-7)=0

We get rid of parentheses

-4r+3r+7=0

We add all the numbers together, and all the variables

-1r+7=0

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

-r=-7

r=-7/-1

r=+7

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