Amodel for the following problem 5 times 3

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

Pranza plotted point a in the coordinate plane below.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.