20=11+4n

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Solution for 20=11+4n equation: 



20=11+4n

We move all terms to the left:

20-(11+4n)=0

We add all the numbers together, and all the variables

-(4n+11)+20=0

We get rid of parentheses

-4n-11+20=0

We add all the numbers together, and all the variables

-4n+9=0

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

-4n=-9

n=-9/-4

n=2+1/4

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