2r=3r-4r

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Solution for 2r=3r-4r equation: 



2r=3r-4r

We move all terms to the left:

2r-(3r-4r)=0

We add all the numbers together, and all the variables

2r-(-1r)=0

We get rid of parentheses

2r+1r=0

We add all the numbers together, and all the variables

3r=0

r=0/3

r=0

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