2+r=10-3r

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



2+r=10-3r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

r+3r-10+2=0

We add all the numbers together, and all the variables

4r-8=0

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

4r=8

r=8/4

r=2

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