4/x+9=12

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Solution for 4/x+9=12 equation: 



4/x+9=12

We move all terms to the left:

4/x+9-(12)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

4/x-3=0

We multiply all the terms by the denominator


-3*x+4=0

We add all the numbers together, and all the variables

-3x+4=0

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

-3x=-4

x=-4/-3

x=1+1/3

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