Description: Sal demonstrates solving a word problem by writing a system of equations and solving using the elimination method. You notice that the person in front of you gets 5 apples and 4 oranges for $10. Can we solve for the price of an apple and an orange using this information in a system of linear equations in two variables? So we're trying to figure out the price of an apple and the price of an orange.*Teacher Advisor is 100% free.