6r-2r+4=7r-r

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Solution for 6r-2r+4=7r-r equation: 



6r-2r+4=7r-r

We move all terms to the left:

6r-2r+4-(7r-r)=0

We add all the numbers together, and all the variables

6r-2r-(+6r)+4=0

We add all the numbers together, and all the variables

4r-(+6r)+4=0

We get rid of parentheses

4r-6r+4=0

We add all the numbers together, and all the variables

-2r+4=0

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

-2r=-4

r=-4/-2

r=+2

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