4w+5w=9w-21

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Solution for 4w+5w=9w-21 equation: 



4w+5w=9w-21

We move all terms to the left:

4w+5w-(9w-21)=0

We add all the numbers together, and all the variables

9w-(9w-21)=0

We get rid of parentheses

9w-9w+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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