What are you trying to solve for. All problems like the following lead eventually to an equation in that simple form. Xavier has 15000 and wants to get tickets for himself and some friends.
You may select the numbers to be represented with digits or in words.
5P 3S - 5P S 23 - 20. The joy for this problem is finding wa. You can replace the x with whatever variable you are using. Two-step equations word problems.