2(x-y)-3(x+y)+4(x-1)=0
5(x-y)=2
2x - 2y - 3x - 3y + 4x -4 = 0
5x - 5y = 2
3x - 5y - 4 = 0
3x - 5y = 4 |*(-1)
-3x + 5y = -4
_____________
2x = -2
x=-1
3*(-1) - 5y = 4
-3 - 5y = 4
-5y =7
y=-1,4
2x-2y -3x -3y+4x-4 =0
3x-5y-4 =0
5x-5y =2
3x -5y =4 |*(-1)
-3x+5y =-4
5x -5y = 2
_____
x= -1
5*(-1)-5y=2-5-5y=2-5y=7y= -1,4
y=- 1,4
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2(x-y)-3(x+y)+4(x-1)=0
5(x-y)=2
2x - 2y - 3x - 3y + 4x -4 = 0
5x - 5y = 2
3x - 5y - 4 = 0
5x - 5y = 2
3x - 5y = 4 |*(-1)
5x - 5y = 2
-3x + 5y = -4
5x - 5y = 2
_____________
2x = -2
x=-1
3*(-1) - 5y = 4
-3 - 5y = 4
-5y =7
y=-1,4
x=-1
y=-1,4
2(x-y)-3(x+y)+4(x-1)=0
5(x-y)=2
2x-2y -3x -3y+4x-4 =0
5x - 5y = 2
3x-5y-4 =0
5x-5y =2
3x -5y =4 |*(-1)
5x-5y =2
-3x+5y =-4
5x -5y = 2
_____
2x = -2
x= -1
5*(-1)-5y=2
-5-5y=2
-5y=7
y= -1,4
x= -1
y=- 1,4