21/2x=9

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Solution for 21/2x=9 equation: 



21/2x=9

We move all terms to the left:

21/2x-(9)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We multiply all the terms by the denominator


-9*2x+21=0

Wy multiply elements

-18x+21=0

We move all terms containing x to the left, all other terms to the right

-18x=-21

x=-21/-18

x=1+1/6

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