Systems: Elimination
1 / 7
Hook
Cancel and conquer
If 3x + 2y = 16 and 3x − 2y = 8, something beautiful happens when you add them: the y terms cancel (+2y − 2y = 0), and you're left with 6x = 24. One variable gone, instantly.
If 3x + 2y = 16 and 3x − 2y = 8, something beautiful happens when you add them: the y terms cancel (+2y − 2y = 0), and you're left with 6x = 24. One variable gone, instantly.