-2r=2(r-2)

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Solution for -2r=2(r-2) equation: 



-2r=2(r-2)

We move all terms to the left:

-2r-(2(r-2))=0



We calculate terms in parentheses: -(2(r-2)), so:

2(r-2)

We multiply parentheses

2r-4

Back to the equation:

-(2r-4)



We get rid of parentheses

-2r-2r+4=0

We add all the numbers together, and all the variables

-4r+4=0

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

-4r=-4

r=-4/-4

r=1

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