-20=8-7/9w

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Solution for -20=8-7/9w equation: 



-20=8-7/9w

We move all terms to the left:

-20-(8-7/9w)=0



Domain of the equation: 9w)!=0

w!=0/1

w!=0

w∈R



We add all the numbers together, and all the variables

-(-7/9w+8)-20=0

We get rid of parentheses

7/9w-8-20=0

We multiply all the terms by the denominator


-8*9w-20*9w+7=0

Wy multiply elements

-72w-180w+7=0

We add all the numbers together, and all the variables

-252w+7=0

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

-252w=-7

w=-7/-252

w=1/36

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