2r+7=22-3r

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Solution for 2r+7=22-3r equation: 



2r+7=22-3r

We move all terms to the left:

2r+7-(22-3r)=0

We add all the numbers together, and all the variables

2r-(-3r+22)+7=0

We get rid of parentheses

2r+3r-22+7=0

We add all the numbers together, and all the variables

5r-15=0

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

5r=15

r=15/5

r=3

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