3r-10=r+15

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



3r-10=r+15

We move all terms to the left:

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

We get rid of parentheses

3r-r-15-10=0

We add all the numbers together, and all the variables

2r-25=0

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

2r=25

r=25/2

r=12+1/2

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