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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2r-r+3+2=0

We add all the numbers together, and all the variables

r+5=0

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

r=-5

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