3/4n+9=12

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Solution for 3/4n+9=12 equation: 



3/4n+9=12

We move all terms to the left:

3/4n+9-(12)=0



Domain of the equation: 4n!=0

n!=0/4

n!=0

n∈R



We add all the numbers together, and all the variables

3/4n-3=0

We multiply all the terms by the denominator


-3*4n+3=0

Wy multiply elements

-12n+3=0

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

-12n=-3

n=-3/-12

n=1/4

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