2r+0=4r-4

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Solution for 2r+0=4r-4 equation: 



2r+0=4r-4

We move all terms to the left:

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

We add all the numbers together, and all the variables

2r-(4r-4)=0

We get rid of parentheses

2r-4r+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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