12/(x-4)-5=7

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Solution for 12/(x-4)-5=7 equation: 



12/(x-4)-5=7

We move all terms to the left:

12/(x-4)-5-(7)=0



Domain of the equation: (x-4)!=0

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

x!=4

x∈R



We add all the numbers together, and all the variables

12/(x-4)-12=0

We multiply all the terms by the denominator


-12*(x-4)+12=0

We multiply parentheses

-12x+48+12=0

We add all the numbers together, and all the variables

-12x+60=0

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

-12x=-60

x=-60/-12

x=+5

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