20=-4/7w

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Solution for 20=-4/7w equation: 



20=-4/7w

We move all terms to the left:

20-(-4/7w)=0



Domain of the equation: 7w)!=0

w!=0/1

w!=0

w∈R



We get rid of parentheses

4/7w+20=0

We multiply all the terms by the denominator


20*7w+4=0

Wy multiply elements

140w+4=0

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

140w=-4

w=-4/140

w=-1/35

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