7/9w=21

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Solution for 7/9w=21 equation: 



7/9w=21

We move all terms to the left:

7/9w-(21)=0



Domain of the equation: 9w!=0

w!=0/9

w!=0

w∈R



We multiply all the terms by the denominator


-21*9w+7=0

Wy multiply elements

-189w+7=0

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

-189w=-7

w=-7/-189

w=1/27

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