6=2(r-2)-2

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Solution for 6=2(r-2)-2 equation: 



6=2(r-2)-2

We move all terms to the left:

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



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

2(r-2)-2

We multiply parentheses

2r-4-2

We add all the numbers together, and all the variables

2r-6

Back to the equation:

-(2r-6)



We get rid of parentheses

-2r+6+6=0

We add all the numbers together, and all the variables

-2r+12=0

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

-2r=-12

r=-12/-2

r=+6

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