10+r=22-2r

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Solution for 10+r=22-2r equation: 



10+r=22-2r

We move all terms to the left:

10+r-(22-2r)=0

We add all the numbers together, and all the variables

r-(-2r+22)+10=0

We get rid of parentheses

r+2r-22+10=0

We add all the numbers together, and all the variables

3r-12=0

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

3r=12

r=12/3

r=4

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