(4-x)/x=9

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Solution for (4-x)/x=9 equation: 



(4-x)/x=9

We move all terms to the left:

(4-x)/x-(9)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

(-1x+4)/x-9=0

We multiply all the terms by the denominator


(-1x+4)-9*x=0

We add all the numbers together, and all the variables

-9x+(-1x+4)=0

We get rid of parentheses

-9x-1x+4=0

We add all the numbers together, and all the variables

-10x+4=0

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

-10x=-4

x=-4/-10

x=2/5

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