-3r+10=15-r

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Solution for -3r+10=15-r equation: 



-3r+10=15-r

We move all terms to the left:

-3r+10-(15-r)=0

We add all the numbers together, and all the variables

-3r-(-1r+15)+10=0

We get rid of parentheses

-3r+1r-15+10=0

We add all the numbers together, and all the variables

-2r-5=0

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

-2r=5

r=5/-2

r=-2+1/2

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