Answer:
[tex]\boxed{2x-3}[/tex]
Step-by-step explanation:
[tex]f(x)=3x-1\\ g(x)= x+2[/tex]
[tex](f-g)(x)\\f(x)-g(x)[/tex]
[tex](3x-1)-(x+2)\\ 3x-1-x-2\\2x-3[/tex]
