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-4/5n=9/10
We move all terms to the left:
-4/5n-(9/10)=0
Domain of the equation: 5n!=0We add all the numbers together, and all the variables
n!=0/5
n!=0
n∈R
-4/5n-(+9/10)=0
We get rid of parentheses
-4/5n-9/10=0
We calculate fractions
There is no solution for this equation
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