This page shows you a trick to solve a system of equations using algebra.
Click on the Example sheet, the Exercise sheet and the Answers sheet in order to view and print them.
Watch the video as many times as you wish.
Use the Example sheet as a model to help you complete the Exercise sheet.
Use the Answers sheet to correct your work.
Part 1 - Examples 1 and 2:
Part 2 - Examples 3 and 4: