-3/7w=21

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Solution for -3/7w=21 equation: 



-3/7w=21

We move all terms to the left:

-3/7w-(21)=0



Domain of the equation: 7w!=0

w!=0/7

w!=0

w∈R



We multiply all the terms by the denominator


-21*7w-3=0

Wy multiply elements

-147w-3=0

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

-147w=3

w=3/-147

w=-1/49

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