11=7+r/2

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Solution for 11=7+r/2 equation: 



11=7+r/2

We move all terms to the left:

11-(7+r/2)=0

We add all the numbers together, and all the variables

-(r/2+7)+11=0

We get rid of parentheses

-r/2-7+11=0

We multiply all the terms by the denominator


-r-7*2+11*2=0

We add all the numbers together, and all the variables

-1r+8=0

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

-r=-8

r=-8/-1

r=+8

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