-4/w=-21

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Solution for -4/w=-21 equation: 



-4/w=-21

We move all terms to the left:

-4/w-(-21)=0



Domain of the equation: w!=0

w∈R



We add all the numbers together, and all the variables

-4/w+21=0

We multiply all the terms by the denominator


21*w-4=0

We add all the numbers together, and all the variables

21w-4=0

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

21w=4

w=4/21

w=4/21

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