1/3(x+9)-x=7

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Solution for 1/3(x+9)-x=7 equation: 



1/3(x+9)-x=7

We move all terms to the left:

1/3(x+9)-x-(7)=0



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

x∈R



We add all the numbers together, and all the variables

-1x+1/3(x+9)-7=0

We multiply all the terms by the denominator


-1x*3(x+9)-7*3(x+9)+1=0

Wy multiply elements

-3x^2(x-21x(x+1=0

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