-3r+7=10r+28

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Solution for -3r+7=10r+28 equation: 



-3r+7=10r+28

We move all terms to the left:

-3r+7-(10r+28)=0

We get rid of parentheses

-3r-10r-28+7=0

We add all the numbers together, and all the variables

-13r-21=0

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

-13r=21

r=21/-13

r=-1+8/13

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