4=12/z

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Solution for 4=12/z equation: 



4=12/z

We move all terms to the left:

4-(12/z)=0



Domain of the equation: z)!=0

z!=0/1

z!=0

z∈R



We add all the numbers together, and all the variables

-(+12/z)+4=0

We get rid of parentheses

-12/z+4=0

We multiply all the terms by the denominator


4*z-12=0

We add all the numbers together, and all the variables

4z-12=0

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

4z=12

z=12/4

z=3

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