3=12/j

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Solution for 3=12/j equation: 



3=12/j

We move all terms to the left:

3-(12/j)=0



Domain of the equation: j)!=0

j!=0/1

j!=0

j∈R



We add all the numbers together, and all the variables

-(+12/j)+3=0

We get rid of parentheses

-12/j+3=0

We multiply all the terms by the denominator


3*j-12=0

We add all the numbers together, and all the variables

3j-12=0

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

3j=12

j=12/3

j=4

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