-20=-4/5w

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Solution for -20=-4/5w equation: 



-20=-4/5w

We move all terms to the left:

-20-(-4/5w)=0



Domain of the equation: 5w)!=0

w!=0/1

w!=0

w∈R



We get rid of parentheses

4/5w-20=0

We multiply all the terms by the denominator


-20*5w+4=0

Wy multiply elements

-100w+4=0

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

-100w=-4

w=-4/-100

w=1/25

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