5x-21=5(x-3)

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Solution for 5x-21=5(x-3) equation: 



5x-21=5(x-3)

We move all terms to the left:

5x-21-(5(x-3))=0



We calculate terms in parentheses: -(5(x-3)), so:

5(x-3)

We multiply parentheses

5x-15

Back to the equation:

-(5x-15)



We get rid of parentheses

5x-5x+15-21=0

We add all the numbers together, and all the variables

-6!=0

There is no solution for this equation

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