if 5/n-1/2=3/36, what is the value of n?
posible answers: -2, 2, 9, 2/7
we can start by reducing the fractions to get
The LCD of the equation is 12n so we multiply the whole equation by 12n to get
This is not one of your choices but It is correct lets check and make sure.
So I will plug this into the original equation to get
Getting a commond denominator I get
So the solution checks.
I hope this helps.