The brunch buffet cost the same for each adult. for the family of 8 the total cost was 272 how much did it cost per person

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42