人教版七年级数学下册二元一次方程组练习题266.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266
2x+4y=15x-8y=15x+7y=-13
{{{
2x+4y=-92x+y=04x+y=6
3x-2y=24x+5y=88x-8y=-3
{{{
3x+y=84x+3y=-85x-2y=5
4x-y=49x-y=58x-8y=8
{{{
4x+4y=85x-5y=85x+2y=2
2x-y=38x+7y=15x+8y=13
{{{
5x+5y=13x-3y=05x+3y=4
5x+y=09x+2y=-52x-4y=-16
{{{
x-5y=-5x+5y=-94x-3y=-5
x-5y=24x+3y=89x-8y=30
{{{
5x-2y=-65x+2y=13x+4y=0
x-4y=-95x-6y=-12x+2y=26
{{{
3x-4y=-13x+5y=12x+3y=6
2x+4y=-7x+4y=65x-8y=-7
{{{
x+4y=15x-2y=5x-3y=3
5x-2y=-52x+3y=42x+y=27
{{{
3x-5y=15x-3y=12x-5y=4
2x+5y=-1x-6y=-22x+8y=-19
{{{
4x-5y=-54x+3y=72x-3y=-9
x+4y=42x+4y=-4x+2y=-8
{{{
4x+4y=-62x-3y=9x+y=7
3x+y=-96x-y=-36x-2y=13
{{{
5x-5y=55x-5y=-7x+2y=8
3x+4y=-74x+7y=62x+3y=26
{{{
2x+3y=-7x+y=83x-y=-1
5x-4y=75x-6y=-96x+5y=-22
{{{
2x-y=43x-2y=2x-y=0
5x-y=97x-y=-19x+3y=-6
{{{
4x-3y=-85x+3y=93x-y=8
x-5y=55x-9y=-92x-9y=2
{{{
5x-5y=-13x+3y=75x+3y=1
x-5y=14x-8y=38x-y=26
{{{
3x-5y=-2x+2y=94x-3y=8
x-5y=-95x+4y=35x-4y=-28
{{{
5x-2y=-95x+y=82x-4y=5
x+4y=-13x+6y=-12x+5y=15
{{{
2x-4y=62x-2y=-44x+3y=0
5x+2y=17x-5y=56x-8y=29
{{{
2x+3y=55x-5y=-44x-y=-8
2x+2y=59x+4y=-44x+7y=18
{{{
3x-y=-63x+4y=-45x+y=7
4x-5y=97x+6y=-89x-8y=-8
{{{
3x-3y=-14x+2y=-65x-4y=0
3x+y=36x+5y=34x-6y=12
{{{
3x+y=-75x+2y=-63x-y=-9
3x+3y=-98x+7y=85x+8y=23
{{{
x+4y=03x+4y=83x-2y=-4
x+5y=47x+3y=18x-y=14
{{{
3x-y=35x+5y=-5x-5y=9
2x+2y=-16x-y=-79x-5y=0
{{{
5x+3y=-92x-y=65x-3y=8
x+2y=-79x+9y=37x+2y=20
{{{
4x+y=-43x-y=-54x-3y=-2
3x-4y=43x-5y=-33x+2y=30
{{{
5x+5y=62x+4y=92x-5y=6
4x+2y=1x+6y=92x-8y=20
{{{
4x+4y=-55x+3y=62x-5y=6
4x+2y=-53x+2y=4x+6y=23
{{{
x+2y=-94x+y=85x-3y=-9
4x-3y=26x-4y=2x-y=-6
{{{
3x-3y=-63x+4y=-92x-5y=-1
x-5y=46x+8y=82x-y=-8
{{{
4x-y=-83x-y=95x-5y=1
5x-2y=18x+5y=-23x-8y=-2
{{{
2x+y=-64x-3y=0x-y=-2
x-3y=26x+y=-25x-6y=22
{{{
4x-3y=1x-3y=7x-4y=-7
3x-4y=79x-7y=79x+5y=-25
{{{
3x+2y=-82x-4y=-22x-2y=5
2x-2y=24x+4y=58x+9y=-6
{{{
x-3y=32x+5y=-83x-5y=-8
2x-4y=-67x-7y=49x-2y=-17
{{{
4x+5y=1x+2y=13x-5y=2
2x-4y=-82x+y=84x+3y=-21
{{{
5x+3y=-84x+2y=-54x+4y=5
2x+5y=-89x-9y=08x-6y=3
{{{
x+2y=7x-4y=1x+5y=1
2x-2y=58x-9y=-44x-4y=-19
{{{
3x+y=-13x-5y=-34x-4y=1
3x+3y=32x-6y=-15x-6y=-8
{{{
4x-3y=-15x+y=-15x-5y=-1
4x+2y=-39x-2y=-76x-5y=-6
{{{
x+3y=85x+2y=-32x-2y=5
3x+y=65x-y=-6x+9y=-15
{{{
4x+y=75x-2y=94x+y=-9
x-y=-75x+2y=63x-9y=-8
{{{
5x+2y=-43x-2y=-14x-4y=1
4x-5y=29x+3y=-3x-6y=-11
{{{
3x-5y=75x-y=93x-5y=0
x-3y=07x-4y=38x+y=21
{{{
5x-5y=-15x+2y=-83x+5y=6
x-3y=53x+7y=73x+8y=-7
{{{
x+y=6x-2y=-8x-4y=6
5x-5y=89x-9y=17x+5y=-29
{{{
3x-4y=32x-5y=65x+5y=-8
x+5y=-28x+9y=-26x-2y=12
{{{
2x+2y=32x-3y=13x+4y=5
3x-4y=-89x-2y=-45x+2y=17
{{{
5x+5y=-14x+3y=6x-y=-7
4x+y=37x-2y=06x-8y=-5
{{{
x+3y=52x-y=32x+3y=2
3x+4y=12x+9y=-67x+3y=-15
{{{
x+3y=22x+y=-15x+y=-6
2x+5y=-46x-8y=08x+y=11
{{{
5x+4y=-44x-y=-55x-4y=-3
2x-3y=29x-7y=84x+y=-26
{{{
4x+2y=-43x-3y=64x+4y=-9
4x+4y=-1x-3y=63x+2y=3
{{{
5x-2y=95x-4y=-65x+5y=4
2x+2y=-87x+4y=03x-2y=-30
{{{
2x-3y=1x+y=64x-3y=-9
x+4y=02x-7y=-22x+9y=21
{{{
x+3y=74x+5y=-35x-4y=0
4x-4y=45x-8y=-25x-5y=-9
{{{
3x+2y=-1x+5y=-14x+4y=8
x-5y=46x-6y=5x+9y=-26
{{{
5x+5y=14x-5y=-64x+2y=-1
3x-y=16x+5y=-94x+9y=-24
{{{
x+5y=-74x-3y=52x+5y=6
3x+2y=62x+2y=-66x+5y=3
{{{
2x+2y=-1x+4y=-85x-y=8
x-2y=25x-7y=-6x-y=-28
{{{
3x+y=-25x-4y=54x+y=6
3x-3y=-92x-2y=78x-4y=-23
{{{
x-3y=45x-5y=82x+4y=-5
3x+y=19x+4y=-34x-2y=11
{{{
3x-4y=-64x-2y=2x-4y=3
4x+2y=-6x+3y=-48x-5y=-17
{{{
2x-4y=-72x-y=92x-3y=0
5x+4y=55x+8y=54x-8y=12
{{{
4x+2y=4x-2y=64x+4y=-5
4x+5y=64x-6y=-83x-5y=1
{{{
3x+4y=85x-4y=9x+4y=-6
x-3y=-64x+8y=48x-y=-1
{{{
4x+4y=-93x-4y=-95x+5y=-6
3x+4y=99x-5y=-42x-7y=28
{{{
2x-4y=82x+y=-32x+y=-9
3x+2y=92x-7y=-7x+3y=-19
{{{
3x-2y=-94x-y=74x+3y=4
2x-2y=-19x+5y=88x+6y=-20
{{{
5x+5y=33x+y=32x-4y=7
x-2y=66x-8y=97x+5y=-14
{{{
x+4y=-7x+y=-45x-5y=0
3x-3y=44x+3y=-88x+9y=22
{{{
x-5y=3x+4y=-35x+4y=7
4x+4y=-82x+3y=-92x-9y=-21
{{{
x-4y=-35x+y=45x+3y=-3
2x-y=-56x-y=-16x-6y=-27
{{{
3x+2y=-9x-y=-13x+5y=-8
3x-5y=3x+2y=-56x-4y=-12
{{{
4x+4y=8x-4y=-4x-4y=3
4x+2y=08x-7y=27x-y=13
{{{
2x+2y=-73x-y=-42x+y=-5
x-5y=-56x-8y=35x+2y=3
{{{
5x+y=9x+5y=3x+y=-7
2x+2y=3x-3y=0x+3y=-23
{{{
2x-2y=-84x-5y=-94x-y=0
x-4y=54x-6y=-39x+6y=17
{{{
3x+3y=-15x+5y=7x-5y=-7