36/x+9=21

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Solution for 36/x+9=21 equation: 



36/x+9=21

We move all terms to the left:

36/x+9-(21)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

36/x-12=0

We multiply all the terms by the denominator


-12*x+36=0

We add all the numbers together, and all the variables

-12x+36=0

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

-12x=-36

x=-36/-12

x=+3

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