-20=(4/7)w

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Solution for -20=(4/7)w equation: 



-20=(4/7)w

We move all terms to the left:

-20-((4/7)w)=0



Domain of the equation: 7)w)!=0

w!=0/1

w!=0

w∈R



We add all the numbers together, and all the variables

-((+4/7)w)-20=0

We multiply all the terms by the denominator


-((+4-20*7)w)=0



We calculate terms in parentheses: -((+4-20*7)w), so:

(+4-20*7)w

We add all the numbers together, and all the variables

(-136)w

We multiply parentheses

-136w

Back to the equation:

-(-136w)



We get rid of parentheses

136w=0

w=0/136

w=0

Równanie nie ma rozwiązania

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