2/5n-9=3/5n

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Solution for 2/5n-9=3/5n equation:



2/5n-9=3/5n
We move all terms to the left:
2/5n-9-(3/5n)=0
Domain of the equation: 5n!=0
n!=0/5
n!=0
n∈R
Domain of the equation: 5n)!=0
n!=0/1
n!=0
n∈R
We add all the numbers together, and all the variables
2/5n-(+3/5n)-9=0
We get rid of parentheses
2/5n-3/5n-9=0
We multiply all the terms by the denominator
-9*5n+2-3=0
We add all the numbers together, and all the variables
-9*5n-1=0
Wy multiply elements
-45n-1=0
We move all terms containing n to the left, all other terms to the right
-45n=1
n=1/-45
n=-1/45

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