13=x/2=21

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Solution for 13=x/2=21 equation: 



13=x/2=21

We move all terms to the left:

13-(x/2)=0

We add all the numbers together, and all the variables

-(+x/2)+13=0

We get rid of parentheses

-x/2+13=0

We multiply all the terms by the denominator


-x+13*2=0

We add all the numbers together, and all the variables

-1x+26=0

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

-x=-26

x=-26/-1

x=+26

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