-22-4r=-2(2-r)

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Solution for -22-4r=-2(2-r) equation: 



-22-4r=-2(2-r)

We move all terms to the left:

-22-4r-(-2(2-r))=0

We add all the numbers together, and all the variables

-4r-(-2(-1r+2))-22=0



We calculate terms in parentheses: -(-2(-1r+2)), so:

-2(-1r+2)

We multiply parentheses

2r-4

Back to the equation:

-(2r-4)



We get rid of parentheses

-4r-2r+4-22=0

We add all the numbers together, and all the variables

-6r-18=0

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

-6r=18

r=18/-6

r=-3

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