20=n/2+11

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Solution for 20=n/2+11 equation: 



20=n/2+11

We move all terms to the left:

20-(n/2+11)=0

We get rid of parentheses

-n/2-11+20=0

We multiply all the terms by the denominator


-n-11*2+20*2=0

We add all the numbers together, and all the variables

-1n+18=0

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

-n=-18

n=-18/-1

n=+18

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