8=2+r/2

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Solution for 8=2+r/2 equation: 



8=2+r/2

We move all terms to the left:

8-(2+r/2)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-r/2-2+8=0

We multiply all the terms by the denominator


-r-2*2+8*2=0

We add all the numbers together, and all the variables

-1r+12=0

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

-r=-12

r=-12/-1

r=+12

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