You would add up all of the sides by combining like terms. Let me know if you want the answers for it.
The answer is 4p i believe. (3+5p) is 8 and (1-5p) is -4, so 8p - 4p is 4p
<span>angles of abc in order from smallest to largest.
<ABC, <CAB, <ACB
Hope it helps
p.s.
smallest angle opposites shortest side
largest angle opposites longest side</span>