Simple
Solve the system by elimination.
x + y = 5
x - y = 7
(6,-1)
Solve the system by elimination.
-4x - 2y = -12
2x + 4y = -12
(6,-6)
Solve the system by elimination.
5x + 4y = -303x - 9y = -18
(-6,0)
Solve the system by elimination.
x + y = -8
x - y = -2
(-5, -3)
Solve the system by elimination.
x - y = 11
4x + 2y = 38
(10,-1)
Solve the system by elimination.
-7x - 8y = 9
-4x + 9y = -22
(1,-2)
Solve the system by elimination.
2x + y = 4
2x - y = 12
(4,-4)
Solve the system by elimination.
-6x + 6y = 6
-6x + 3y = -12
(5,6)
Solve the system by elimination.
-4x - 2y = 14
-10x + 7y = -25
(-1, -5)