1/3(6x-9)+x=21

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Solution for 1/3(6x-9)+x=21 equation: 



1/3(6x-9)+x=21

We move all terms to the left:

1/3(6x-9)+x-(21)=0



Domain of the equation: 3(6x-9)!=0

x∈R



We add all the numbers together, and all the variables

x+1/3(6x-9)-21=0

We multiply all the terms by the denominator


x*3(6x-9)-21*3(6x-9)+1=0

Wy multiply elements

3x^2(6-63x(6+1=0

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