-8=r-2-8

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Solution for -8=r-2-8 equation: 



-8=r-2-8

We move all terms to the left:

-8-(r-2-8)=0

We add all the numbers together, and all the variables

-(r-10)-8=0

We get rid of parentheses

-r+10-8=0

We add all the numbers together, and all the variables

-1r+2=0

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

-r=-2

r=-2/-1

r=+2

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