10=2+r/2

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Solution for 10=2+r/2 equation: 



10=2+r/2

We move all terms to the left:

10-(2+r/2)=0

We add all the numbers together, and all the variables

-(r/2+2)+10=0

We get rid of parentheses

-r/2-2+10=0

We multiply all the terms by the denominator


-r-2*2+10*2=0

We add all the numbers together, and all the variables

-1r+16=0

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

-r=-16

r=-16/-1

r=+16

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