Let's consider the number of slices of the pizza to be . Based on the information given in the problem, . Multiplying both sides of the equation by the reciprocal of the coefficient will remove the :
Amount of money Mr Jack had:- $128 amount of money the man gave back:- $22 amount of money Mr Jack have now :- $106 amount of money the man has now :- 128 - 22 = 128 - 106 = 22