3r+5=20+2r-10

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Solution for 3r+5=20+2r-10 equation: 



3r+5=20+2r-10

We move all terms to the left:

3r+5-(20+2r-10)=0

We add all the numbers together, and all the variables

3r-(2r+10)+5=0

We get rid of parentheses

3r-2r-10+5=0

We add all the numbers together, and all the variables

r-5=0

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

r=5

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