Tom bought 5 new baseball trading cards to add to his collection. the next day his dog ate half of his collection. there are now only 29 cards left. how many cards did tom start with?

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