-1=r/2-6

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Solution for -1=r/2-6 equation: 



-1=r/2-6

We move all terms to the left:

-1-(r/2-6)=0

We get rid of parentheses

-r/2+6-1=0

We multiply all the terms by the denominator


-r+6*2-1*2=0

We add all the numbers together, and all the variables

-1r+10=0

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

-r=-10

r=-10/-1

r=+10

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