-7(3x-3)=21

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



-7(3x-3)=21

We move all terms to the left:

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

We multiply parentheses

-21x+21-21=0

We add all the numbers together, and all the variables

-21x=0

x=0/-21

x=0

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