1=2+x/21

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Solution for 1=2+x/21 equation: 



1=2+x/21

We move all terms to the left:

1-(2+x/21)=0

We add all the numbers together, and all the variables

-(x/21+2)+1=0

We get rid of parentheses

-x/21-2+1=0

We multiply all the terms by the denominator


-x-2*21+1*21=0

We add all the numbers together, and all the variables

-1x-21=0

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

-x=21

x=21/-1

x=-21

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