3=12/z

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Solution for 3=12/z equation: 



3=12/z

We move all terms to the left:

3-(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)+3=0

We get rid of parentheses

-12/z+3=0

We multiply all the terms by the denominator


3*z-12=0

We add all the numbers together, and all the variables

3z-12=0

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

3z=12

z=12/3

z=4

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