Would 2/5x+6/5=y be a proper answer format(i just want to know if it can be =y)

You have two cards with a sum of -12 in both hands. a. what two cards could you have? b. you add two more cards to your hand, but the total sum if the cards remains the same, (-12).

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)