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3/4n-18=1/4n+4
We move all terms to the left:
3/4n-18-(1/4n+4)=0
Domain of the equation: 4n!=0
n!=0/4
n!=0
n∈R
Domain of the equation: 4n+4)!=0We get rid of parentheses
n∈R
3/4n-1/4n-4-18=0
We multiply all the terms by the denominator
-4*4n-18*4n+3-1=0
We add all the numbers together, and all the variables
-4*4n-18*4n+2=0
Wy multiply elements
-16n-72n+2=0
We add all the numbers together, and all the variables
-88n+2=0
We move all terms containing n to the left, all other terms to the right
-88n=-2
n=-2/-88
n=1/44
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