3r+25=-2r

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Solution for 3r+25=-2r equation: 



3r+25=-2r

We move all terms to the left:

3r+25-(-2r)=0

We get rid of parentheses

3r+2r+25=0

We add all the numbers together, and all the variables

5r+25=0

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

5r=-25

r=-25/5

r=-5

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