54/x+3=21

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Solution for 54/x+3=21 equation: 



54/x+3=21

We move all terms to the left:

54/x+3-(21)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

54/x-18=0

We multiply all the terms by the denominator


-18*x+54=0

We add all the numbers together, and all the variables

-18x+54=0

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

-18x=-54

x=-54/-18

x=+3

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