-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 add all the numbers together, and all the variables

-7/9w+21=0

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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