In order to isolate the variable term in the equation 6 - 2x = -3 using the subtraction property of equality, which number should
be subtracted from both sides of the equation?

What are the values of each variable in the diagram below?

What is the value of x? enter your answer in the box.

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?