55=r/2

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Solution for 55=r/2 equation: 



55=r/2

We move all terms to the left:

55-(r/2)=0

We add all the numbers together, and all the variables

-(+r/2)+55=0

We get rid of parentheses

-r/2+55=0

We multiply all the terms by the denominator


-r+55*2=0

We add all the numbers together, and all the variables

-1r+110=0

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

-r=-110

r=-110/-1

r=+110

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