2r-(5-r)=13=2r

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Solution for 2r-(5-r)=13=2r equation: 



2r-(5-r)=13=2r

We move all terms to the left:

2r-(5-r)-(13)=0

We add all the numbers together, and all the variables

2r-(-1r+5)-13=0

We get rid of parentheses

2r+1r-5-13=0

We add all the numbers together, and all the variables

3r-18=0

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

3r=18

r=18/3

r=6

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