9x+7=4/3(3x-21)

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Solution for 9x+7=4/3(3x-21) equation: 



9x+7=4/3(3x-21)

We move all terms to the left:

9x+7-(4/3(3x-21))=0



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

x∈R



We multiply all the terms by the denominator


9x*3(3x-21))-(4+7*3(3x-21))=0

Wy multiply elements

27x^2(3+21x(3=0

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