27-x=21-x

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Solution for 27-x=21-x equation: 



27-x=21-x

We move all terms to the left:

27-x-(21-x)=0

We add all the numbers together, and all the variables

-x-(-1x+21)+27=0

We add all the numbers together, and all the variables

-1x-(-1x+21)+27=0

We get rid of parentheses

-1x+1x-21+27=0

We add all the numbers together, and all the variables

6!=0

There is no solution for this equation

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