人教版七年级数学下册二元一次方程组练习题75.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75
3x+2y=86x-3y=63x-6y=-28
{{{
2x-3y=-23x+5y=62x+3y=9
5x-2y=42x+9y=-76x-6y=-29
{{{
x-5y=45x-3y=-74x+5y=-4
3x-3y=-67x+6y=-86x-y=-17
{{{
3x+y=1x-3y=95x-2y=-3
x-2y=29x-6y=32x+5y=1
{{{
3x-2y=73x-y=13x-4y=-9
x-4y=27x-9y=32x-y=25
{{{
5x+y=-82x+3y=-84x-5y=-3
4x-3y=37x+7y=-14x+y=-1
{{{
5x-4y=33x+y=32x-4y=4
x-5y=35x-2y=-23x-7y=-22
{{{
4x-5y=34x+y=-75x+2y=-5
2x+5y=5x+y=-24x+y=9
{{{
5x+2y=62x+2y=94x+2y=-3
2x-4y=23x-6y=-12x-7y=11
{{{
2x-4y=-9x+4y=-93x+5y=-6
3x-3y=92x+y=-94x+6y=23
{{{
4x+3y=-1x-3y=-12x+5y=-9
5x+2y=66x-5y=-9x+5y=17
{{{
4x+4y=-4x-3y=-74x-y=8
2x-y=79x+3y=26x-6y=14
{{{
x-3y=63x+4y=-9x-2y=-4
3x+3y=-28x-y=-59x+4y=26
{{{
5x+5y=33x-2y=04x+4y=-2
5x-2y=14x+9y=-38x+y=-23
{{{
x+4y=-42x-5y=-52x-2y=1
x+4y=-82x+2y=-56x-6y=-5
{{{
4x-2y=-15x+2y=-35x+4y=-9
x+5y=69x-6y=-89x+7y=-19
{{{
5x-2y=0x-3y=-93x+5y=3
3x-4y=-72x+4y=29x-6y=7
{{{
2x+4y=-14x-y=-63x-3y=8
x+4y=82x+8y=-26x-8y=-19
{{{
2x-5y=54x+3y=73x+4y=-5
x-4y=56x-8y=-15x+9y=-17
{{{
x-2y=-73x+4y=-2x-4y=3
5x-3y=13x-8y=23x-6y=-15
{{{
2x+5y=1x-4y=-74x-3y=2
3x+4y=-14x-y=2x+2y=-17
{{{
4x+2y=-64x-y=-12x+2y=-7
5x+2y=69x-8y=-63x+y=-24
{{{
x+5y=12x-5y=8x-4y=-1
x+5y=-57x+9y=-58x+7y=-17
{{{
5x-4y=-1x-3y=04x+5y=-7
2x+4y=-9x-7y=1x+2y=19
{{{
x+3y=74x-5y=92x+2y=-1
5x-2y=98x+5y=-53x-4y=-19
{{{
x+y=-34x+5y=-52x-2y=-2
2x+2y=88x+2y=-28x-5y=22
{{{
5x-2y=-53x-5y=2x+y=6
2x+5y=-94x-7y=-75x+6y=5
{{{
5x+4y=-33x-y=65x-3y=8
3x+5y=-47x+6y=-45x-2y=-9
{{{
2x+2y=-64x+2y=1x+y=-9
5x-2y=-49x+6y=-6x-2y=-4
{{{
3x-2y=-4x-y=12x-4y=8
2x+3y=-95x-8y=42x+6y=29
{{{
x+2y=24x-y=-24x-y=9
2x-2y=02x-y=-47x+8y=-13
{{{
3x+4y=55x+y=-43x+5y=-5
5x+5y=78x+7y=-16x-4y=23
{{{
2x+2y=-85x-2y=-1x-y=-8
x+4y=02x+7y=38x+6y=8
{{{
4x-5y=-13x+3y=1x-2y=1
x-5y=14x+9y=0x+3y=-14
{{{
3x+y=45x-2y=6x+3y=-9
5x+5y=-55x-y=46x-9y=-27
{{{
2x+3y=-25x+2y=6x+y=6
4x+5y=8x-8y=-7x-4y=-30
{{{
5x+2y=-92x+2y=95x-3y=8
x+2y=-94x-6y=04x+y=-4
{{{
5x+4y=1x+2y=83x+2y=6
2x-5y=02x-y=85x+6y=-14
{{{
4x-4y=-33x-3y=73x+4y=-9
5x+3y=-64x+3y=-75x+7y=-22
{{{
4x+3y=-82x-5y=65x-2y=-1
x-4y=19x-5y=34x-3y=19
{{{
2x-4y=-84x+y=63x+5y=5
3x-2y=9x-6y=-12x+7y=-15
{{{
5x-3y=-24x-2y=-54x-y=5
5x-2y=54x-2y=45x-5y=29
{{{
x+2y=82x-y=04x+y=6
2x-2y=46x+5y=8x+8y=-29
{{{
2x-4y=-94x-3y=-75x+4y=4
2x-y=22x+7y=-96x+7y=26
{{{
4x+2y=-14x-2y=75x-y=7
4x+3y=66x-y=63x+6y=-27
{{{
x-4y=-52x+5y=2x+5y=-3
3x+2y=87x-7y=-18x+4y=-11
{{{
x+5y=-44x+5y=-62x+5y=-9
x-2y=48x+8y=93x+9y=-27
{{{
3x-3y=9x+4y=-35x+4y=7
x-3y=98x-y=38x-4y=26
{{{
4x+y=-43x+3y=02x+2y=4
2x+y=-16x-8y=88x-2y=5
{{{
x-5y=42x+3y=45x+y=-8
x-5y=-59x+6y=62x-3y=13
{{{
2x-2y=8x-3y=-75x-4y=6
x+3y=35x+2y=-87x-5y=5
{{{
x-y=84x-3y=45x-5y=-6
5x-y=-75x-7y=49x+y=20
{{{
3x+2y=7x-4y=45x-3y=-7
2x+3y=56x-7y=-44x-y=27
{{{
4x-2y=-42x-2y=3x-5y=6
x+y=2x-7y=-45x+8y=27
{{{
5x+3y=44x-5y=-13x+4y=-7
4x+3y=-52x-9y=65x+4y=-25
{{{
5x-2y=-12x-4y=-22x+5y=9
5x+2y=-57x-7y=-29x-2y=7
{{{
4x+5y=5x+3y=62x+2y=1
x-5y=-65x+9y=89x-y=-10
{{{
x-3y=63x+y=85x+5y=-1
5x-y=29x-7y=99x+3y=15
{{{
3x+y=85x-5y=-14x-4y=-1
5x-5y=92x+4y=-43x+4y=14
{{{
5x+4y=-52x+4y=-15x+y=-6
2x-5y=43x-2y=54x+2y=-8
{{{
3x-5y=-4x+2y=3x+3y=-4
5x+5y=-48x-5y=66x-8y=1
{{{
4x-y=75x+y=-1x+4y=-5
5x-3y=-59x+3y=-25x-3y=-25
{{{
2x+5y=-95x-5y=-54x+5y=6
x+5y=6x-y=77x+5y=10
{{{
2x+5y=5x+y=64x+2y=-8
5x+y=03x-y=9x-2y=14
{{{
x-3y=95x+5y=-22x-4y=6
2x-2y=33x-3y=-12x+6y=-22
{{{
2x+4y=92x-4y=-95x+y=-5
x+5y=-6x+8y=45x-6y=19
{{{
4x-4y=75x-2y=-53x-3y=6
5x-2y=24x+7y=-63x+2y=-10
{{{
2x-3y=82x+y=92x+3y=2
2x+2y=94x-7y=8x-2y=10
{{{
3x+3y=-42x-3y=-23x+y=-3
3x-5y=-17x+6y=12x-8y=-10
{{{
2x-y=-35x-3y=2x-5y=-6
5x-y=-35x+7y=3x-6y=10
{{{
5x-5y=-3x-3y=-95x+3y=8
2x-y=-49x+8y=-49x+5y=20
{{{
2x+3y=45x-y=-83x-5y=-8
4x+4y=-86x-6y=25x+4y=-9
{{{
3x-4y=-14x+4y=-55x-y=0
5x-5y=-54x+4y=23x-5y=15
{{{
3x+y=93x-y=4x-y=-4
5x+4y=93x+8y=29x-2y=-6
{{{
4x+5y=43x+3y=74x+2y=-7
4x+5y=22x+8y=-49x-7y=-5
{{{
5x+4y=42x+3y=85x+y=2
2x+y=44x-2y=-12x+4y=24
{{{
3x+4y=74x-y=-53x-3y=1
5x+2y=-46x-5y=-34x+7y=-14
{{{
3x-5y=-45x-5y=-15x-5y=6
x+2y=57x-2y=-37x+5y=-4
{{{
5x-4y=-1x-y=-43x+3y=-6
4x+2y=72x-5y=-24x-8y=-20
{{{
3x-y=-85x+4y=65x+2y=-9
x+2y=-59x+8y=69x+3y=-1
{{{
2x-3y=34x+4y=-54x+5y=9