Given the function f(x) = -5x + 1 + 3, for what values of x is f(x) = -12?
x= -2, x= 4
x=-2, x = 4
x = 2, x= 4
x=2, x=4

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?