人教版七年级数学下册二元一次方程组练习题219Word下载.docx
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x-y=85x+2y=-16x+6y=25
2x+4y=92x+2y=-55x-2y=-5
2x+5y=32x-8y=27x+4y=-2
x-4y=84x+3y=-62x-2y=6
3x+2y=-98x+7y=-58x-8y=6
x+4y=-83x-5y=-13x-5y=-9
4x+3y=-55x-9y=13x+6y=-17
2x+4y=42x+5y=0x+4y=-6
4x-3y=-98x+7y=23x+3y=-24
2x-3y=-44x+3y=-65x+y=-1
4x+2y=-3x+9y=02x-9y=-8
5x+y=-8x+2y=-82x+4y=-6
x-y=22x+5y=17x+9y=16
4x-4y=05x+4y=93x+4y=-2
3x+3y=66x+2y=-49x-9y=-13
4x-3y=94x-5y=-14x-3y=-4
3x+2y=-44x+4y=-6x+5y=1
3x-5y=-94x-y=14x-y=4
3x-5y=-3x+4y=-14x-9y=-20
x-5y=4x-3y=-75x-4y=-1
4x-4y=64x+2y=-53x+7y=19
2x+5y=43x-3y=95x-4y=4
3x-4y=-69x+2y=-15x-3y=-16
2x-4y=44x-2y=15x-5y=-2
4x-4y=35x+5y=-44x-5y=21
x+2y=-14x+2y=72x-3y=0
2x-3y=65x-3y=-89x+5y=-2
3x+3y=-9x-3y=-44x+4y=9
4x+y=33x-7y=-58x-8y=-27
2x-3y=-5x-2y=-85x-4y=-2
3x+4y=-28x+5y=17x-4y=-2
x-4y=94x+5y=75x-3y=-1
2x-4y=44x-5y=-6x-8y=25
x-3y=13x-y=44x-y=2
3x+y=-45x-3y=-25x+3y=-14
3x+3y=-15x+3y=-34x-5y=9
2x-2y=-34x+2y=-58x+y=-20
4x+5y=-83x+4y=13x+3y=0
4x+y=02x+y=19x-7y=24
4x+3y=15x+5y=-6x-5y=-9
3x+5y=19x-9y=14x+4y=-2
4x+2y=-72x-2y=82x-5y=4
x+4y=-65x-4y=-15x-3y=10
4x+4y=-65x-4y=-14x+2y=6
4x+5y=-15x-2y=54x+8y=10
5x-y=-82x-5y=-23x-3y=-5
x+5y=66x+6y=22x-6y=24
5x-3y=42x+3y=12x+5y=4
3x-2y=07x-3y=-9x+y=-17
x-3y=14x-5y=2x-y=9
4x+3y=19x+5y=84x-y=-10
x+2y=82x+2y=-24x+y=3
3x-5y=-37x+9y=77x-2y=25
3x+3y=-32x-y=73x+5y=-7
5x+3y=-59x-4y=74x+y=-5
5x+2y=7x+3y=-63x-4y=9
5x+2y=84x-4y=44x-7y=12
4x+y=-23x-5y=83x-4y=-4
3x-3y=-79x+8y=82x+2y=9
5x+5y=93x-4y=24x-3y=-8
5x-4y=34x-4y=-93x+6y=6
3x-4y=-74x+4y=92x-5y=-7
3x+3y=-34x-4y=-76x+8y=30
3x-5y=-44x+4y=13x-3y=9
4x+y=-42x+5y=-82x-2y=17
x+4y=05x+5y=-62x-2y=5
4x-y=76x+3y=-7x+4y=-6
3x+4y=83x+2y=42x-4y=9
x+3y=-45x-3y=99x-4y=14
4x-y=-5x-2y=35x-2y=4
5x+y=4x+9y=55x-8y=-2
2x+4y=-4x+4y=03x+2y=-7
5x+3y=28x+7y=8x-8y=-15
3x-3y=83x-2y=62x-2y=-5
2x+y=-97x-9y=-13x+5y=26
4x+2y=83x-5y=04x+y=9
x-5y=79x-8y=59x+7y=3
2x+2y=-84x+y=74x+2y=-2
4x-2y=9x-6y=93x-3y=14
5x+5y=-45x-2y=92x-4y=-9
4x+4y=-47x-8y=-13x-y=-11
4x+5y=04x+y=92x-5y=-1
4x+5y=89x-4y=06x+8y=27
x+2y=42x+2y=63x-3y=-9
4x+3y=55x+5y=-38x+3y=30
3x-2y=42x+5y=65x-5y=6
4x+5y=-93x+5y=34x+2y=27
x+y=14x+2y=64x-y=4
5x-3y=86x-6y=-12x+5y=-21
x-5y=-92x+3y=-54x+5y=-1
x+3y=69x+y=07x+3y=0
3x-3y=03x-5y=25x-5y=0
4x+y=-85x-9y=58x+4y=29
2x-4y=95x-2y=-75x-5y=3
x-y=4x+3y=-36x+5y=-22
5x+4y=-6x-2y=-74x+2y=-3
4x-5y=-43x+6y=-82x-4y=-5
4x-y=14x+4y=52x+y=-6
x+3y=-89x-4y=62x+5y=18
x+3y=0x-y=24x-y=-2
3x+3y=53x+5y=16x-y=5
3x+4y=-7x-3y=-12x-4y=-8
x-5y=92x-8y=04x+y=26
3x-4y=-62x-4y=-64x-5y=7
3x-4y=-99x+4y=8x+4y=20
5x+y=-3x-y=53x+2y=-9
x+y=-26x+4y=-56x+6y=-18
2x-3y=82x+y=5x+3y=-5
4x-5y=69x+3y=32x+7y=15
2x+5y=-2x+5y=-65x-4y=-9
x-3y=98x-5y=-27x+5y=23
x+4y=-2x-5y=-63x-3y=-4
3x-2y=7x-5y=76x-5y=-19
5x+3y=-13x+3y=-52x-y=-3
5x+2y=14x-3y=-14x-4y=7
3x-5y=-14x-4y=12x+4y=9
2x+2y=69x+8y=-72