-3=-9-2/7w

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Solution for -3=-9-2/7w equation: 



-3=-9-2/7w

We move all terms to the left:

-3-(-9-2/7w)=0



Domain of the equation: 7w)!=0

w!=0/1

w!=0

w∈R



We add all the numbers together, and all the variables

-(-2/7w-9)-3=0

We get rid of parentheses

2/7w+9-3=0

We multiply all the terms by the denominator


9*7w-3*7w+2=0

Wy multiply elements

63w-21w+2=0

We add all the numbers together, and all the variables

42w+2=0

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

42w=-2

w=-2/42

w=-1/21

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