X + 4(x-1) = 9-2(x+3)

Can anyone me with 32,33,36,37,and 40.

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?

Icould really use some with this question.