I really need help with this math problems

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Rewrite so the subject can be y in the formula d=m-y/y+n

What is the answer to the question 5x+2x