-3(7x-3)=-21x-9

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Solution for -3(7x-3)=-21x-9 equation: 



-3(7x-3)=-21x-9

We move all terms to the left:

-3(7x-3)-(-21x-9)=0

We multiply parentheses

-21x-(-21x-9)+9=0

We get rid of parentheses

-21x+21x+9+9=0

We add all the numbers together, and all the variables

18!=0

There is no solution for this equation

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