Question 195032
n/3  -  2n/5  =  -1
.
multiply  all  terms  by  LCD  =15
.
5n  - 6n  =-15
.
-1n  = -15
.
n = 15,,,,,Answer
.
checking
.
15/3  -2*15 / 5  =-1
.
5 - 6 =-1  =-1 ,,,,,,ok