21/2w=9

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Solution for 21/2w=9 equation: 



21/2w=9

We move all terms to the left:

21/2w-(9)=0



Domain of the equation: 2w!=0

w!=0/2

w!=0

w∈R



We multiply all the terms by the denominator


-9*2w+21=0

Wy multiply elements

-18w+21=0

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

-18w=-21

w=-21/-18

w=1+1/6

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