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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(2(2r-2)-r), so:

2(2r-2)-r

We add all the numbers together, and all the variables

-1r+2(2r-2)

We multiply parentheses

-1r+4r-4

We add all the numbers together, and all the variables

3r-4

Back to the equation:

-(3r-4)



We get rid of parentheses

3r-3r+4=0

We add all the numbers together, and all the variables

4!=0

There is no solution for this equation

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