3/x+15=21

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Solution for 3/x+15=21 equation: 



3/x+15=21

We move all terms to the left:

3/x+15-(21)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

3/x-6=0

We multiply all the terms by the denominator


-6*x+3=0

We add all the numbers together, and all the variables

-6x+3=0

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

-6x=-3

x=-3/-6

x=1/2

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