21/2=13+(-3/8)(3x+(-7))

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Solution for 21/2=13+(-3/8)(3x+(-7)) equation: 



21/2=13+(-3/8)(3x+(-7))

We move all terms to the left:

21/2-(13+(-3/8)(3x+(-7)))=0



Domain of the equation: 8)(3x+(-7)))!=0

x∈R



We calculate fractions


()/83x+168x/83x=0

We multiply all the terms by the denominator


168x+()=0

We add all the numbers together, and all the variables

168x=0

x=0/168

x=0

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