21=x/2=1

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Solution for 21=x/2=1 equation: 



21=x/2=1

We move all terms to the left:

21-(x/2)=0

We add all the numbers together, and all the variables

-(+x/2)+21=0

We get rid of parentheses

-x/2+21=0

We multiply all the terms by the denominator


-x+21*2=0

We add all the numbers together, and all the variables

-1x+42=0

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

-x=-42

x=-42/-1

x=+42

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