Answer:
p = 11
Step-by-step explanation:
[tex] \frac{1}{2} \times (p + 3) = 7[/tex]
[tex] = > p + 3 = 7 \div \frac{1}{2} [/tex]
[tex] = > p + 3 = 7 \times 2 = 14[/tex]
[tex] = > p = 14 - 3 = 11[/tex]
