1/3(21x+9)=3x-5

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Solution for 1/3(21x+9)=3x-5 equation: 



1/3(21x+9)=3x-5

We move all terms to the left:

1/3(21x+9)-(3x-5)=0



Domain of the equation: 3(21x+9)!=0

x∈R



We get rid of parentheses

1/3(21x+9)-3x+5=0

We multiply all the terms by the denominator


-3x*3(21x+9)+5*3(21x+9)+1=0

Wy multiply elements

-9x^2(2+15x(2+1=0

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