Answer:
[tex]4.5p+2n-3.4[/tex]
Step-by-step explanation:
You collect the plain number in this equation they are positive 5.5, negative 0.9, and negative 8. Once you add all of these common variables you get negative 3.4 the other variables can't be simplified any farther so you are left with the equation [tex]4.5p+2n-3.4[/tex]