人教版七年级数学下册二元一次方程组练习题212文档格式.docx
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x-5y=77x+3y=47x+2y=1
3x+4y=14x-3y=-35x-3y=6
x+y=53x-8y=-33x+2y=-22
3x+2y=-72x+2y=84x-y=0
4x+3y=37x-4y=-47x-8y=8
5x+5y=-94x+4y=-63x+4y=7
5x-3y=17x+8y=46x-9y=-19
x+3y=-1x+3y=24x+4y=8
5x-3y=-5x-4y=65x+y=22
x+4y=74x+2y=05x+4y=8
4x-4y=18x-9y=-75x-y=28
4x+3y=-92x+5y=-15x-y=4
5x-2y=-65x+5y=49x-2y=22
5x-2y=53x-2y=63x-5y=3
x-5y=7x+7y=92x-2y=-28
3x-5y=-9x+2y=92x+y=-7
3x-2y=-6x+6y=32x+2y=28
x-2y=12x+3y=-12x+2y=1
4x+3y=99x-6y=-14x-7y=19
5x+2y=73x-4y=-95x-5y=-3
4x-2y=-62x+y=44x-6y=16
5x-2y=-53x-3y=44x-3y=-9
3x+2y=-36x-6y=03x+y=16
4x+y=24x-3y=14x+5y=-9
3x+3y=-69x+4y=5x+9y=-17
5x+4y=03x-5y=92x-y=2
5x-3y=-57x+7y=-5x+6y=18
3x-4y=-83x-5y=92x-5y=5
5x+4y=-63x+5y=07x+y=29
x-2y=4x-5y=95x+4y=-5
2x-y=04x+4y=88x+5y=-16
3x-2y=75x+4y=-5x-y=4
5x-y=19x+5y=96x+8y=5
3x-3y=23x-5y=-34x-y=2
5x-5y=69x+5y=2x+7y=13
5x+2y=-43x-2y=43x-y=-1
2x+4y=8x-4y=-69x+7y=2
x-3y=-33x-4y=34x-y=-7
x-2y=57x+3y=56x+5y=23
x+5y=05x-y=-53x-y=-7
x-y=18x-7y=44x-3y=4
3x-2y=95x+2y=-94x-y=6
5x+y=-1x+2y=-37x+4y=8
5x-3y=-25x-3y=2x+4y=-8
5x-4y=-87x-6y=-84x-6y=25
3x+2y=-94x+4y=-64x-4y=-4
3x-4y=45x-3y=93x+9y=-27
x-5y=-94x-2y=15x+3y=-6
3x+4y=39x+6y=-25x-3y=16
x+3y=4x-5y=-85x+3y=7
4x+2y=94x+3y=79x-4y=-18
4x-4y=8x+y=-63x-2y=-7
5x+5y=-32x-3y=64x-8y=17
2x-y=05x+3y=-24x+y=8
4x-4y=35x-5y=76x+8y=-22
5x+3y=55x-4y=5x-5y=-1
2x-3y=09x+5y=-23x+8y=6
5x+y=85x-y=-4x+3y=5
4x-3y=54x+4y=63x-3y=-1
5x+5y=74x+3y=65x-2y=1
5x-2y=-86x-6y=42x-6y=-28
4x+5y=-44x+y=83x-5y=-6
x-3y=-1x-7y=56x+7y=1
4x-5y=-42x-2y=-5x+2y=-9
2x-5y=-34x-8y=-96x-5y=-26
x-y=05x-5y=-6x+5y=4
4x-5y=09x+5y=58x-7y=30
2x+y=-12x+y=-5x+4y=-9
x+y=79x+4y=-29x+3y=29
5x+y=-32x+2y=23x-5y=-2
3x-y=82x+4y=-65x-y=-12
x-y=72x-3y=6x-3y=-6
4x+2y=-42x+2y=98x+6y=-29
4x+y=-82x-2y=-2x+2y=4
4x-y=79x+7y=-24x+y=-7
3x-2y=-4x+5y=04x-y=3
2x-y=-74x-2y=25x+6y=8
2x-4y=4x+y=-12x+4y=-9
4x-5y=52x-7y=-75x+5y=3
2x+y=-62x-y=43x+4y=7
3x+3y=05x+9y=46x-7y=-4
2x+3y=65x-3y=-33x-2y=9
x-y=2x-6y=-69x-8y=-2
4x+2y=12x-2y=53x-4y=-7
2x-y=2x-9y=67x-5y=-1
x-y=32x+3y=63x+4y=0
5x-2y=1x+7y=-64x-y=-24
5x-3y=-42x+5y=-9x+5y=-9
4x-5y=-48x+5y=-53x+4y=15
3x+2y=-95x+3y=-3x+y=5
3x-5y=03x-5y=64x-5y=-10
5x+4y=-32x-y=02x+5y=0
2x+4y=-46x+2y=24x+2y=11
x+y=4x-y=82x-y=6
x-2y=-55x-3y=-52x-3y=-21
3x-5y=03x-3y=1x-5y=-1
5x+2y=3x-4y=-88x-y=-16
5x+4y=-95x+3y=-45x-2y=5
x+5y=05x-9y=18x-8y=30
4x-y=-6x+4y=-54x+4y=4
x-y=-58x-6y=-26x+8y=-13
x-3y=-74x-5y=94x-y=6
5x+4y=03x-5y=53x+4y=-24
4x+2y=-93x-4y=-93x+4y=2
5x-5y=-24x-6y=42x+7y=15
3x-5y=-44x-2y=-92x+y=5
4x-4y=-73x+2y=-76x-4y=26
3x+4y=65x-5y=34x+y=-7
5x-2y=56x-2y=-55x+5y=-22
3x-3y=8x+y=1x+4y=-2
3x+3y=-69x+8y=-15x-2y=-6
3x-y=2x-2y=04x+y=-5
x-5y=82x-4y=-98x-4y=-18
2x+2y=74x-5y=55x+5y=3
x-4y=-52x+9y=-34x-6y=-10
4x-5y=73x-2y=72x-2y=3
2x+y=-35x-9y=99x-8y=-7
x-2y=12x+y=74x+y=1
4x-2y=-64x+4y=-53x-6y=23
2x+3y=85x-3y=42x+5y=-2
4x-3y=46x-2y=49x-3y=-6
4x-4y=7x+4y=05x-3y=1
4x+y=24x+5y=-26x+6y=23
4x+5y=1x-4y=1x-2y=3
4x+5y=-54x+8y=65x-8y=26
5x-y=1x-5y=-24x-3y=-1
5x+y=-27x-7y=56x+4y=-30
3x+3y=-7x-2y=-35x+3y=0
2x+2y=26x+7y=04x+7y=-13
4x-3y=75x-5y=-63x+y=-2
x-5y=17x+7y=-64x-7y=-28
x-5y=02x+4y=75x+3y=-7
x-5y=4x+7y=42x-2y=20
5x+y=43x+y=5x-y=2
x+3y=-66x+9y=-69x-4y=-8
2x-5y=35x-y=-2x-2y=-8
5x+3y=-6x+8y=-52x+8y=-15
4x+3y=-43x+2y=6x+5y=3
4x-2y=-28x+6y=-86x+9y=-18
2x-2y=-24x+5y=-54x-2y=-2
5x+3y=09x+5y=0x+9y=17
4x-4y=33x+4y=-5x+5y=-4
5x+2y=28x+3y=-34x-5y=-14
2x-y=-14x+2y=-3x-2y=5
2x+3y=-63x+2y=18x+9y=-28
5x+4y=52x+4y=-14x+2y=6