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2/5n+1=13
We move all terms to the left:
2/5n+1-(13)=0
Domain of the equation: 5n!=0We add all the numbers together, and all the variables
n!=0/5
n!=0
n∈R
2/5n-12=0
We multiply all the terms by the denominator
-12*5n+2=0
Wy multiply elements
-60n+2=0
We move all terms containing n to the left, all other terms to the right
-60n=-2
n=-2/-60
n=1/30
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