2+r=2r+7+4r

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



2+r=2r+7+4r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

r-6r-7+2=0

We add all the numbers together, and all the variables

-5r-5=0

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

-5r=5

r=5/-5

r=-1

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