-21=x/2-11

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Solution for -21=x/2-11 equation: 



-21=x/2-11

We move all terms to the left:

-21-(x/2-11)=0

We get rid of parentheses

-x/2+11-21=0

We multiply all the terms by the denominator


-x+11*2-21*2=0

We add all the numbers together, and all the variables

-1x-20=0

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

-x=20

x=20/-1

x=-20

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