人教版七年级数学下册二元一次方程组练习题302.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302
3x-2y=35x-3y=45x-5y=30
{{{
5x+5y=-92x-2y=8x-3y=1
3x+3y=-64x+7y=-28x-7y=-13
{{{
4x+y=1x-2y=05x+3y=-4
4x-3y=-9x-7y=14x+y=13
{{{
x-y=-25x-y=12x+y=7
4x-y=-32x+8y=-48x-6y=-25
{{{
5x+y=3x-2y=94x-4y=4
2x+4y=-54x+8y=-7x-9y=-7
{{{
3x-2y=34x-y=-5x+4y=8
3x-4y=-9x-8y=-66x+3y=11
{{{
3x+4y=23x+y=-94x+5y=1
5x+4y=-99x-2y=-82x+y=6
{{{
3x+2y=-6x+5y=-4x-3y=2
2x+y=-83x-4y=-2x-8y=-13
{{{
3x+3y=-45x-4y=12x+3y=-5
5x-5y=9x+9y=65x-9y=0
{{{
5x+2y=-74x+y=1x-5y=-9
4x-5y=-46x-9y=-75x-2y=-29
{{{
4x+3y=-32x+2y=-54x-3y=0
5x+4y=-4x+y=93x-y=22
{{{
2x-2y=15x+y=24x+2y=-7
2x+5y=-13x+3y=05x-3y=-27
{{{
2x-5y=25x-4y=-44x+5y=-5
5x+3y=09x-6y=-34x-8y=9
{{{
4x-y=-92x+y=-94x-y=9
5x+y=-98x-2y=-36x+5y=-8
{{{
x-5y=-35x+5y=05x+5y=8
4x-2y=-24x+2y=-44x-y=1
{{{
2x+4y=-54x-4y=02x+3y=8
5x-y=59x+8y=58x-y=24
{{{
2x+y=84x+5y=-7x-y=-7
x+5y=2x+2y=-36x+3y=22
{{{
2x-y=-75x-2y=35x+2y=-7
4x+y=42x-8y=83x+7y=4
{{{
5x-3y=7x-3y=53x-y=5
5x-3y=52x-y=-83x+y=1
{{{
x-y=-85x+y=-55x+4y=8
x+y=64x-7y=-63x+7y=16
{{{
5x-4y=-34x-4y=32x+2y=8
2x+2y=-89x-5y=-63x+4y=-11
{{{
2x+y=25x+3y=82x-y=7
4x-y=04x-6y=-83x+4y=-15
{{{
2x+y=1x-4y=54x+y=4
4x-2y=15x-4y=58x+6y=15
{{{
2x+y=-24x+4y=-83x-4y=7
2x-4y=44x+9y=75x-3y=14
{{{
5x+5y=3x-y=2x+3y=-2
x-5y=83x+y=98x-y=11
{{{
2x+4y=54x+4y=-62x-5y=-5
5x-5y=-2x-4y=54x+y=30
{{{
2x-2y=-64x-5y=05x-y=-8
3x-4y=79x+9y=63x-5y=13
{{{
4x+3y=-2x-y=-3x-5y=-3
2x-5y=88x-3y=3x+3y=18
{{{
5x-4y=5x-2y=12x+y=-4
2x-3y=-14x-8y=-52x-y=-15
{{{
5x+3y=42x+y=9x-5y=-3
5x-3y=43x+2y=6x-2y=8
{{{
2x-4y=64x+3y=25x+y=9
2x-3y=36x-6y=-78x-y=10
{{{
x-4y=64x+y=-5x-4y=-1
2x+y=-24x+6y=-3x-y=-22
{{{
x-4y=-9x-5y=3x+2y=0
3x+4y=-87x+y=29x-7y=16
{{{
x-5y=24x+4y=13x-4y=7
4x-y=-6x-8y=05x+6y=16
{{{
5x+4y=-25x+2y=-94x+3y=-3
x-4y=62x+2y=-6x+6y=18
{{{
3x-4y=-65x+y=65x-4y=8
5x-2y=37x+6y=-82x-9y=-19
{{{
3x-y=-25x+4y=-4x+y=-2
3x+2y=-9x+y=-48x+2y=-25
{{{
5x-2y=23x-y=63x+3y=6
4x-4y=96x+5y=84x+6y=22
{{{
2x+y=-7x-3y=5x-3y=-5
3x+5y=-56x-5y=85x+7y=0
{{{
4x+2y=-55x+y=72x-y=3
5x-y=-26x-y=62x+6y=29
{{{
2x+3y=-24x-5y=-32x-2y=2
3x+3y=7x-7y=-67x-6y=-16
{{{
2x+3y=25x-2y=-12x-4y=-6
3x+y=-55x+8y=66x-3y=17
{{{
x-y=-54x-4y=-95x-4y=-5
5x-y=34x+8y=-22x-2y=-14
{{{
4x+5y=-83x-4y=82x-5y=-1
5x-2y=-27x-3y=-32x+y=10
{{{
4x+y=85x-2y=-4x-2y=-6
x-y=55x+4y=-4x+5y=30
{{{
3x+y=9x-y=0x+3y=2
2x+3y=-58x-8y=9x+y=22
{{{
3x-y=-53x-y=-15x-5y=-6
4x-y=-25x+y=-84x-6y=-22
{{{
x-4y=62x-2y=45x+5y=-6
3x+y=14x+7y=-49x+8y=21
{{{
3x-4y=7x-3y=05x+3y=-9
2x-3y=-26x-2y=26x+8y=-14
{{{
x+y=-14x+y=8x-5y=-2
5x+5y=87x-y=76x+4y=-11
{{{
2x+4y=-64x+4y=93x+4y=0
x+3y=-17x+8y=-84x-2y=10
{{{
x-3y=-24x+y=-85x+3y=9
3x-y=-69x-8y=-89x-2y=15
{{{
x+3y=25x-2y=22x+5y=-3
3x+5y=-1x-y=16x-8y=-27
{{{
3x+3y=94x-y=-84x+5y=3
4x-5y=-42x+8y=9x+5y=-22
{{{
5x+y=-72x+y=-43x+4y=-4
2x+2y=72x+y=64x-y=-5
{{{
x-3y=04x-y=35x-y=-6
x-5y=54x-5y=-62x+8y=14
{{{
2x+y=-15x+2y=-24x+y=-7
4x-3y=-8x-7y=4x+y=0
{{{
2x+2y=-92x-y=-72x-y=8
5x+4y=-92x+5y=59x-3y=28
{{{
4x+3y=-84x+2y=3x+5y=4
2x-y=-86x-7y=-18x+7y=17
{{{
5x+5y=-92x+2y=34x+4y=8
5x+3y=34x-7y=-38x-8y=13
{{{
3x-5y=13x-5y=25x+5y=-3
3x-2y=72x-y=-8x-8y=-26
{{{
2x-5y=84x-3y=-32x+y=-2
x+2y=-95x+3y=-42x+3y=-4
{{{
3x+5y=3x+5y=-63x-3y=2
4x-5y=-66x-y=58x+3y=-6
{{{
x-y=12x-y=05x-2y=1
5x+y=33x+6y=-37x-5y=16
{{{
x+y=14x+5y=03x-3y=3
4x+y=-88x+6y=42x+y=2
{{{
2x+y=74x+4y=14x-y=7
x-y=26x+5y=58x-8y=-8
{{{
5x-5y=-74x-y=64x+5y=8
5x-y=42x+9y=79x+4y=0
{{{
2x-4y=6x-y=3x-4y=-2
3x+3y=-57x-3y=-88x+5y=10
{{{
4x-y=-15x-y=-25x+3y=-4
5x-3y=74x+8y=93x-7y=6
{{{
3x-3y=02x+5y=-94x-5y=0
2x-2y=-75x+3y=-17x-6y=4
{{{
3x-2y=32x+5y=4x-2y=-1
2x-4y=-65x-3y=64x+8y=13
{{{
x-5y=-52x-4y=45x-4y=3
4x-3y=-19x+y=78x+6y=-1
{{{
2x-3y=32x-4y=12x-4y=-5
4x-y=86x-7y=7x+y=20
{{{
2x+4y=22x+5y=23x-5y=2
x+5y=-1x+2y=-1x-8y=17
{{{
x-2y=-34x+5y=43x+2y=8
3x+5y=97x-3y=79x+y=-21
{{{
5x+y=3x-y=-4x-y=5
4x+5y=48x+5y=09x-y=17
{{{
4x-y=-52x+3y=63x-5y=-4
x-2y=-33x+8y=44x-3y=30
{{{
3x+y=54x-y=43x-5y=4
2x+5y=44x+5y=98x-8y=-20
{{{
4x+2y=-62x-3y=-54x+5y=8
5x+4y=13x+3y=76x+8y=28
{{{
3x-4y=54x-5y=-8x+2y=-2
2x-y=-68x-9y=-88x-6y=16
{{{
x+2y=85x-y=-2x+y=3