Answer:
p = 8
Step-by-step explanation:
[tex]\frac{p+4}{3} = 4[/tex]
[tex]p + 4 = 4 * 3[/tex]
[tex]p + 4 = 12[/tex]
[tex]p = 12 - 4[/tex]
[tex]p = 8[/tex]