Two fewer than a number doubled is the same as the number decreased by 38. find the number.

if n is "the number," which equation could be used to solve for the number?
2(n - 2) = n - 38
2n - 2 = n - 38
2(n - 2) = n + 38

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?