Solve the system: x + 2y = 7 and -x + 2y = 1.
Note
The ordered pair must satisfy both equations. Substituting x = 3, y = 2: first equation gives 7 = 7, and second gives 1 = 1. Therefore the solution is (3, 2).
Solve the system: x + 2y = 7 and -x + 2y = 1.
The ordered pair must satisfy both equations. Substituting x = 3, y = 2: first equation gives 7 = 7, and second gives 1 = 1. Therefore the solution is (3, 2).