人教版七年级数学下册二元一次方程组练习题28Word文件下载.docx
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2x+y=02x+5y=97x+3y=2
2x-2y=-2x+3y=-6x+y=8
5x+y=-57x-y=-93x+5y=-19
2x+4y=-34x+2y=-92x-y=-4
4x-4y=-24x-7y=-23x-3y=-11
3x-2y=34x-5y=04x-2y=-5
3x+3y=2x-2y=19x-4y=-16
4x+2y=-72x+3y=12x+y=-1
5x+y=1x+4y=22x+9y=-27
3x+3y=85x-4y=82x+5y=7
5x-y=-65x+8y=64x+5y=13
4x-5y=85x+5y=-75x+3y=-8
x+5y=-17x+4y=-28x+9y=-14
2x+y=-4x+2y=-95x+4y=8
3x+4y=78x-3y=66x-5y=2
4x+4y=-52x-y=-6x+4y=9
4x+4y=-44x-8y=03x+6y=4
3x+y=35x+4y=-92x-2y=1
2x+y=-54x-2y=09x-3y=25
3x+2y=64x-3y=-85x-4y=8
2x+5y=-43x-4y=-13x-7y=-12
3x-2y=95x-y=-1x+2y=1
5x-4y=-66x+7y=-94x+2y=16
4x-2y=84x-y=-34x-2y=-3
2x-2y=22x-8y=19x-8y=-13
4x-5y=-23x+2y=-65x-2y=5
2x+3y=27x+3y=19x+6y=-2
5x+y=82x-3y=23x+3y=-5
5x-y=-26x-5y=62x-8y=20
x-5y=85x+3y=-83x+3y=4
3x+3y=87x+9y=-79x-9y=21
4x-5y=1x-y=64x+2y=9
x-4y=-98x-2y=46x+5y=-8
2x+5y=-34x-5y=-62x-3y=-5
4x+y=-84x+3y=-23x+9y=14
2x+3y=-82x-4y=-9x+3y=-4
5x-4y=2x-7y=34x-3y=-9
3x+y=24x+y=34x-3y=-7
2x+4y=12x-5y=48x-4y=20
x+3y=-25x+4y=2x+y=-4
3x+4y=-9x-6y=7x-2y=1
3x+2y=9x+y=-55x+5y=-1
4x-5y=-48x-y=-1x+4y=18
5x-2y=-62x-y=-82x+2y=-8
x-4y=76x+4y=-67x-9y=3
x+y=-25x-5y=-94x-2y=1
x+3y=-4x-9y=52x+6y=-16
3x+2y=65x+3y=-73x-y=0
x-y=87x-7y=-9x+y=3
3x+5y=05x-2y=-7x+5y=-6
5x+2y=-46x-5y=44x-3y=1
2x-5y=82x-5y=-15x-5y=-9
2x+4y=-89x+6y=72x+7y=21
3x+2y=-83x+2y=-94x-5y=1
x-4y=-57x-9y=-56x-8y=-12
5x-4y=-54x+2y=45x-y=8
5x-3y=28x-4y=52x-y=12
3x+4y=05x+3y=63x-5y=3
x+2y=7x-6y=23x+y=-11
5x-5y=-45x+3y=-82x+2y=-6
2x-4y=44x-y=-95x+2y=27
4x-5y=5x+2y=73x+2y=0
x-2y=-8x-y=65x-8y=18
2x-4y=-55x-5y=93x+2y=5
x-3y=-25x+2y=13x+6y=1
3x-2y=12x+3y=24x-y=7
5x-2y=-2x-y=-88x-3y=27
5x-2y=04x-5y=52x+3y=8
4x-3y=-87x+3y=18x-y=24
x-3y=74x+y=0x-4y=1
4x+3y=-43x-9y=2x+4y=27
x-4y=-94x+5y=05x-2y=-5
3x-3y=-62x+3y=-27x-8y=-30
3x+5y=23x-5y=93x-2y=-1
4x+5y=92x-2y=68x-3y=4
x-3y=24x-3y=55x+y=6
4x-2y=-57x-3y=02x+2y=-14
3x+3y=04x+4y=9x-5y=3
4x+y=17x+y=78x-y=-3
x+5y=13x-4y=74x-3y=6
4x-5y=-3x-5y=1x+7y=-10
5x-2y=9x+3y=5x-3y=5
2x+4y=62x-9y=67x+6y=11
3x-3y=33x+3y=-6x-y=4
2x+5y=-47x+5y=18x-2y=-28
x+y=63x-4y=-4x-4y=7
2x-4y=-23x-3y=-18x-6y=-6
3x+2y=45x+5y=-6x-3y=6
5x+y=-79x-4y=-23x-y=-10
3x+5y=82x+y=-24x+4y=-3
4x+3y=05x-7y=-94x+6y=30
x-3y=54x+4y=23x+y=-6
5x+5y=-87x-9y=32x+3y=5
5x+y=03x-2y=6x-2y=3
5x-5y=-27x-4y=-67x-2y=29
2x-y=-92x-3y=-44x+3y=3
5x+2y=-78x-3y=-69x+6y=-20
3x+5y=-43x+3y=3x-2y=4
5x+5y=72x+8y=-85x+8y=-15
5x+5y=25x+y=-45x-3y=-2
3x-y=-47x+2y=-42x+6y=-20
5x+2y=92x-3y=02x+3y=-9
4x+4y=-38x+6y=-2x-5y=26
2x-4y=-8x-4y=12x-4y=8
2x+3y=-98x+6y=2x+9y=10
x+4y=-62x-5y=-8x+2y=7
5x+3y=-83x+7y=6x+5y=19
x+5y=83x+y=5x+5y=-6
4x+4y=-2x+4y=86x+2y=21
x-y=4x+5y=-13x+5y=8
2x-2y=19x+6y=-6x-3y=-3
x+y=04x+2y=-23x+3y=-6
4x+2y=23x-4y=-38x-8y=11
x+5y=-9x-y=-13x+4y=-4
5x-y=-46x-7y=29x-4y=-14
5x+3y=7x+3y=-35x+y=0
4x-3y=-72x-6y=-1x+4y=-4
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