21=(1/4)x

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Solution for 21=(1/4)x equation: 



21=(1/4)x

We move all terms to the left:

21-((1/4)x)=0



Domain of the equation: 4)x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-((+1/4)x)+21=0

We multiply all the terms by the denominator


-((+1+21*4)x)=0



We calculate terms in parentheses: -((+1+21*4)x), so:

(+1+21*4)x

We add all the numbers together, and all the variables

85x

Back to the equation:

-(85x)



x=0/-85

x=0

Równanie nie ma rozwiązania

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