N/z+9=12

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Solution for N/z+9=12 equation: 



/N+9=12

We move all terms to the left:

/N+9-(12)=0



Domain of the equation: N!=0

N∈R



We add all the numbers together, and all the variables

/N-3=0

We multiply all the terms by the denominator


-3*N+=0

We add all the numbers together, and all the variables

-3N=0

N=0/-3

N=0

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