Answer:
13p - 17q + 2 (Option B)
Step-by-step explanation:
[tex]7p + 20 - 13q - 4q - 18 + 6p[/tex]
Step 1) Arrange all like terms.
[tex] = > (7p + 6p) + ( - 13q - 4q) + (20 - 18)[/tex]
Step 2) Add/substract all those like terms and you're done.
[tex] = > 13p - 17q + 2[/tex]