Select the correct equation for the following word problems:
Santi has $50 from his birthday to spend at Gamestop. He bought a game for $35 and two identical controllers for 'x' dollars each. What is the equation that represents this situation and the cost for each controller?__________
Noah and his sister are making gift bags for a birthday party. Each bag contains 3 pencil erasers and x stickers. After filling 4 bags, they have used a total of 44 items. What is the equation that represents this situation and how many stickers are in each bag?__________
A skating rink charges a group rate of $9.00 plus a fee to rent each pair of skates. A family rents 7 pairs of skates and pays a total of $23. What is the equation that represents this situation and the cost to rent one pair of skates? __________