18w-21=15w+3w

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Solution for 18w-21=15w+3w equation: 



18w-21=15w+3w

We move all terms to the left:

18w-21-(15w+3w)=0

We add all the numbers together, and all the variables

18w-(+18w)-21=0

We get rid of parentheses

18w-18w-21=0

We add all the numbers together, and all the variables

-21!=0

There is no solution for this equation

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