The steps below show the incomplete solution to find the value of x for the equation 6x + 10 − 4x = −4 − 11: Step 1: 6x + 10 − 4x = −4 − 11 Step 2: 6x + 10 − 4x = −15 Step 3: 2x + 10 = −15 Which of these is most likely the next step?

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?