-2r=7-2r

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



-2r=7-2r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-2r+2r-7=0

We add all the numbers together, and all the variables

-7!=0

There is no solution for this equation

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