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2. 3x+2y=-10
1 - 2
1. -4x+2y=4
2. 3x+2y=-10
-7x = 14
x = -2
2. -6+2y = -10
y = -2
3x+2y=-10 |×1|
=> -4x + 2y = 4
3x + 2y = -10 -
__________
-7x = 14
x = 14/-7
x = -2
3x + 2y= -10
3 (-2) +2y = -10
-6 + 2y = -10
2y = -10 + 6
2y = -4
y = -4/2
y = -2
=> -2 dan -2 (D)