人教版七年级数学下册二元一次方程组练习题297.docx
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人教版七年级数学下册二元一次方程组练习题297
2x-5y=7x+8y=86x-y=-10
{{{
5x+4y=-14x-3y=-15x-2y=3
4x-2y=33x-8y=62x+y=-14
{{{
4x+3y=85x-5y=15x-2y=5
x+y=89x-6y=89x+6y=13
{{{
3x-4y=-82x+5y=-94x-5y=-8
5x+4y=-92x+4y=26x+6y=-20
{{{
4x+y=6x-5y=-33x+3y=-9
2x-4y=-83x-5y=66x-7y=-27
{{{
5x+2y=-53x+4y=84x-3y=-8
3x-y=38x-4y=04x+7y=9
{{{
x-3y=-43x-3y=-13x+2y=-1
5x-5y=-94x-2y=49x+5y=-30
{{{
x-5y=-74x-3y=-2x+2y=4
x+y=18x-3y=83x+5y=-30
{{{
3x+y=23x-y=3x+4y=-7
2x-y=23x+y=1x+3y=-26
{{{
2x+3y=-42x-5y=25x+3y=0
2x-5y=1x-5y=64x-y=13
{{{
5x-3y=-92x-2y=-54x+5y=8
5x-5y=-54x-y=-28x+y=-5
{{{
3x-2y=-73x+2y=-93x+2y=7
4x-5y=05x-2y=-37x+3y=-24
{{{
2x+y=-3x-2y=24x-3y=9
2x+3y=08x-8y=16x+y=25
{{{
5x-5y=22x+5y=-7x+5y=-1
4x+3y=-27x+5y=-19x+8y=-18
{{{
x-3y=-2x+5y=45x+3y=-1
5x+5y=15x+5y=-73x-6y=-7
{{{
4x+2y=92x+5y=-95x+5y=6
x-5y=12x+5y=96x+5y=18
{{{
4x+2y=13x-3y=-84x+5y=4
x-4y=-7x+9y=-74x+8y=-14
{{{
5x-5y=15x+4y=-3x-2y=-8
4x-2y=47x+y=-95x+9y=1
{{{
4x+y=-74x-4y=23x+4y=8
3x-y=-8x+9y=-44x+8y=8
{{{
x-y=-43x-4y=92x-y=-3
3x-3y=-12x-9y=95x-6y=-24
{{{
5x+4y=32x-2y=92x+y=1
5x+5y=29x+3y=57x-5y=-22
{{{
x-5y=-94x+5y=-52x-2y=-3
2x+3y=83x-9y=7x-5y=20
{{{
3x+4y=-64x+y=22x+5y=9
x-2y=83x+6y=-36x-7y=-27
{{{
x+2y=3x+y=-95x-4y=-8
3x-5y=19x+7y=-84x-4y=18
{{{
4x+3y=-65x+4y=-84x+4y=5
4x-2y=15x-5y=-49x-6y=-18
{{{
5x+5y=-15x-2y=74x-y=7
3x+2y=-66x+6y=22x-y=17
{{{
4x-3y=-82x+y=-12x-5y=7
x-5y=-17x+8y=-27x+y=-3
{{{
2x-5y=-3x-4y=22x-4y=-7
4x-5y=72x-y=86x-y=-1
{{{
x-y=8x+5y=-33x+5y=-9
5x+3y=-8x-4y=-87x-5y=24
{{{
4x-4y=83x-2y=84x-4y=6
x+2y=7x-8y=08x+3y=-1
{{{
3x-2y=-43x+4y=-35x+3y=2
5x-5y=93x+3y=59x+4y=9
{{{
4x-2y=62x+4y=92x-3y=-3
2x-y=36x+8y=-44x-y=18
{{{
3x+5y=72x-3y=33x-5y=-4
4x+y=-73x+4y=-97x-y=0
{{{
2x-5y=-45x+3y=-55x+4y=7
2x-y=09x+9y=36x+5y=16
{{{
5x+5y=43x+5y=04x-3y=5
3x-y=-79x+9y=55x+y=-19
{{{
x+4y=0x-5y=-93x-4y=-2
3x-y=14x+6y=-98x+7y=-19
{{{
4x+y=-1x+y=-8x-3y=2
2x-y=-85x-4y=13x-4y=-7
{{{
5x-5y=-82x-4y=82x+3y=1
5x+2y=-72x+2y=-75x-5y=28
{{{
2x+y=3x+5y=-53x+y=8
3x-3y=84x+4y=57x+4y=26
{{{
3x+y=43x+3y=42x-2y=1
3x-5y=29x-8y=33x+2y=9
{{{
4x-5y=-64x-3y=4x+3y=6
5x+3y=-29x+4y=72x-5y=3
{{{
4x+3y=12x-5y=-84x+3y=-1
4x+3y=35x-3y=-28x-7y=-11
{{{
2x-4y=12x-y=2x+y=-7
x-2y=-9x+4y=-4x-y=-3
{{{
3x+5y=-9x-y=-15x-y=-6
2x+5y=27x+9y=7x-6y=16
{{{
x-3y=24x-3y=44x-5y=-8
3x-y=67x+6y=19x+5y=22
{{{
4x+3y=-75x+4y=04x+2y=-6
4x-5y=29x+y=35x-2y=27
{{{
2x+2y=-13x+2y=-34x+5y=-3
4x+5y=53x+y=-77x-5y=-21
{{{
5x-5y=82x+2y=-54x+y=-8
4x-y=-68x-8y=06x+5y=21
{{{
x+2y=53x-2y=-72x+2y=-3
x+y=09x+8y=-8x+7y=10
{{{
2x-2y=-84x+4y=85x+y=2
x+5y=-53x+y=-67x+4y=16
{{{
x+5y=-35x-5y=-33x+5y=-4
4x+3y=88x+3y=-17x+8y=-5
{{{
4x-4y=-95x-4y=-35x-5y=-1
x-y=-63x-5y=56x-6y=-13
{{{
4x+2y=75x+5y=-92x-5y=-3
3x-5y=63x-3y=-96x-4y=24
{{{
4x+2y=-73x+2y=-75x+3y=-1
5x-4y=77x+5y=-84x-6y=23
{{{
3x+2y=-94x+y=-73x+y=-3
5x-3y=-57x-y=-62x-8y=-24
{{{
x-3y=-62x+y=83x-y=4
x+5y=04x-2y=63x+6y=-27
{{{
x+5y=54x+4y=13x-y=-9
3x-4y=19x-2y=79x+9y=-18
{{{
x+y=75x+3y=0x+5y=-9
5x-3y=39x-9y=-62x-y=-28
{{{
x-5y=-6x-5y=72x-2y=3
4x+4y=-94x+9y=59x-9y=21
{{{
2x-y=-35x-5y=55x+2y=-2
4x+3y=36x+2y=-54x-8y=-18
{{{
2x+3y=22x+y=-95x+2y=-3
2x-5y=-12x-5y=65x-5y=8
{{{
x+2y=54x+3y=-8x+2y=-6
x+4y=-1x-6y=-45x-2y=-8
{{{
x+2y=-34x+5y=-1x-3y=9
3x+3y=-15x-8y=56x+8y=19
{{{
2x+4y=-62x+4y=53x+4y=-6
4x-4y=-34x+7y=-49x-8y=4
{{{
2x+4y=-95x-5y=-33x-2y=0
x+2y=82x+2y=13x-6y=20
{{{
5x+4y=-52x+4y=5x-5y=-7
3x-2y=64x+3y=53x-6y=-17
{{{
2x-2y=-3x-5y=-54x+2y=9
x-4y=-37x+2y=-17x+y=-2
{{{
3x+2y=-13x-5y=55x+2y=8
2x-5y=-38x-4y=76x+4y=-9
{{{
5x-5y=-93x-5y=6x+2y=-3
5x-4y=08x+7y=-27x+4y=-21
{{{
5x+5y=33x-y=-84x+y=9
5x-2y=-94x+5y=48x-9y=25
{{{
5x-4y=63x-2y=1x-5y=-7
2x+2y=79x-8y=-98x+y=-8
{{{
4x-2y=-92x-4y=82x-4y=8
2x-5y=7x+3y=-86x+4y=-28
{{{
x-5y=-83x+y=45x-y=3
3x+2y=28x-8y=-89x-y=10
{{{
3x+4y=-95x-2y=0x+3y=7
x-4y=1x-4y=0x-3y=-12
{{{
2x+4y=-22x+5y=8x+2y=6
4x+2y=35x+9y=2x+4y=0
{{{
4x+3y=65x+4y=-75x+4y=1
3x-2y=-53x-4y=34x-6y=15
{{{
2x+4y=-43x-5y=42x-y=0
2x-y=-62x-4y=06x-2y=-25
{{{
x-5y=44x-y=-9x+3y=-4
5x-y=62x-3y=3x+7y=-30
{{{
x-y=85x-5y=-25x-3y=8
5x+3y=-59x-4y=-19x+5y=-18
{{{
4x-4y=62x+y=73x+y=0
2x-4y=42x+7y=-1x+4y=-11
{{{
4x+3y=-65x-5y=-23x-3y=8