3/x+8=21

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Solution for 3/x+8=21 equation: 



3/x+8=21

We move all terms to the left:

3/x+8-(21)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

3/x-13=0

We multiply all the terms by the denominator


-13*x+3=0

We add all the numbers together, and all the variables

-13x+3=0

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

-13x=-3

x=-3/-13

x=3/13

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