3r+2(r-5)=25

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Solution for 3r+2(r-5)=25 equation: 



3r+2(r-5)=25

We move all terms to the left:

3r+2(r-5)-(25)=0

We multiply parentheses

3r+2r-10-25=0

We add all the numbers together, and all the variables

5r-35=0

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

5r=35

r=35/5

r=7

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