A number, y, is equal to twice the sum of a smaller number and 3. The larger number the smaller number. Which equations represent the situation?
2x-y=and 3x-y=-5
2x-y=-3 and 3x-y=-5
2x-y=-6 and x-3y = 5
2x-y=-3 and x-3y = 5

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?