4/n+7=12

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Solution for 4/n+7=12 equation: 



4/n+7=12

We move all terms to the left:

4/n+7-(12)=0



Domain of the equation: n!=0

n∈R



We add all the numbers together, and all the variables

4/n-5=0

We multiply all the terms by the denominator


-5*n+4=0

We add all the numbers together, and all the variables

-5n+4=0

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

-5n=-4

n=-4/-5

n=4/5

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