21=(7/5)w

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Solution for 21=(7/5)w equation: 



21=(7/5)w

We move all terms to the left:

21-((7/5)w)=0



Domain of the equation: 5)w)!=0

w!=0/1

w!=0

w∈R



We add all the numbers together, and all the variables

-((+7/5)w)+21=0

We multiply all the terms by the denominator


-((+7+21*5)w)=0



We calculate terms in parentheses: -((+7+21*5)w), so:

(+7+21*5)w

We add all the numbers together, and all the variables

112w

Back to the equation:

-(112w)



w=0/-112

w=0

Równanie nie ma rozwiązania

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