Time for some more Math help! Lol....
Will give rep for correct answers.
Use Linear Combination to solve the system.
1.
x-2y=9
-3x+2y=-19
2.
-2x+3y=14
x-4y=-12
3.
2x-y=16
3x+5=11
4.
5x-4y=-30
2x+3y=-12
5.
-x-5y=30
2x-7y=25
6.
5x+2y=5
3x+y=2
7.
4x-5y=6...