Can you guys tell me this is very important

The solution set for 5v2 – 125 = 0 is

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?

4+(2+x) can you me solve this problem