Question

What is the solution to the equation ?
n = −1
n = 2
n = 5/3
n = 5/2

Answer 1

`(3)/(5)n-(4)/(5)=(1)/(5)n\ \ \ \ |\cdot5\\\\3n-4=n\ \ \ \ |+4\\\\3n=n+4\ \ \ |-n\\\\2n=4\ \ \ \ |:2\\\\\boxed{n=2}`