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1) 3x + 2y = 4
5x - 3y = -25
2) 6x - 7y = 5
8x - 9y = 7
3) 5x - 2y = 11
x + 3y = 9
4) 2x - 5y = -9
x + 4y = 2
5) 4x + 3y = 10
7x - 2y = 3
6) 6x - 4y = -6
x + y = 4
7) 5x +2y = -1
9x + 4y = 1
8) 4x - y = -6
6x + 3y = 0
9) -1x - y = -1
5x + 4y = -3
10) x + 4y = 3
-2x - 5y = -9
11) -3x +4y = 11
x +2y = 13
12) 5x - y = -12
-11x -2y =-3
13) 5x - 2y = 11
-2x - 5y = 13
14) 5x - 8y = 2
-9x -y = 19
15) 3x +8y = 5
-3x -7y = -4
16) 1x - 4y = 5
-2x +3y =1
17) 3x +10y = 4
-x - 3y = 3
18) x - y = 4
x + 2y= -5
19) x + y = 14
x- y = 4
20) 9x + 6 y = 3
11x + 6y = 1