15-1/x=21

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Solution for 15-1/x=21 equation: 



15-1/x=21

We move all terms to the left:

15-1/x-(21)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

-1/x-6=0

We multiply all the terms by the denominator


-6*x-1=0

We add all the numbers together, and all the variables

-6x-1=0

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

-6x=1

x=1/-6

x=-1/6

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