(3x)(7x)=(21x)

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Solution for (3x)(7x)=(21x) equation: 



(3x)(7x)=(21x)

We move all terms to the left:

(3x)(7x)-((21x))=0

determiningTheFunctionDomain
3x7x-21x=0

We add all the numbers together, and all the variables

-21x+3x7x=0

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