7r-5r+2=5+2-r

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Solution for 7r-5r+2=5+2-r equation: 



7r-5r+2=5+2-r

We move all terms to the left:

7r-5r+2-(5+2-r)=0

We add all the numbers together, and all the variables

7r-5r-(-1r+7)+2=0

We add all the numbers together, and all the variables

2r-(-1r+7)+2=0

We get rid of parentheses

2r+1r-7+2=0

We add all the numbers together, and all the variables

3r-5=0

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

3r=5

r=5/3

r=1+2/3

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