18x-3(6x-7)=21

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Solution for 18x-3(6x-7)=21 equation: 



18x-3(6x-7)=21

We move all terms to the left:

18x-3(6x-7)-(21)=0

We multiply parentheses

18x-18x+21-21=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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