1/3(3x-9)=21

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Solution for 1/3(3x-9)=21 equation: 



1/3(3x-9)=21

We move all terms to the left:

1/3(3x-9)-(21)=0



Domain of the equation: 3(3x-9)!=0

x∈R



We multiply all the terms by the denominator


-21*3(3x-9)+1=0

Wy multiply elements

-63x(3+1=0

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