Answer:
p=5
Step-by-step explanation:
a(x+y) is also (x+y)a
So if 3(n+5) has to be equivalent to (n+p)3, then p has to be 5.
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hope it helps
-1 is your answer, if that is what you want...
AB and BC.
Also, it is EXTREMELY important that you put an arrow facing to the left above AB and an arrow facing to the right above BC.