2r-(r-7)=2r-3

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Solution for 2r-(r-7)=2r-3 equation: 



2r-(r-7)=2r-3

We move all terms to the left:

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

We get rid of parentheses

2r-r-2r+7+3=0

We add all the numbers together, and all the variables

-1r+10=0

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

-r=-10

r=-10/-1

r=+10

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