二元一次方程组练习题279.docx
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二元一次方程组练习题279
4x+3y=27x-9y=56x-7y=-28
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x+y=-62x-2y=13x+2y=4
2x+2y=-35x+5y=-32x-8y=3
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4x-y=55x-5y=-32x-2y=-5
x-5y=-14x+3y=-43x+4y=-16
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3x-y=-53x-2y=-3x+2y=9
3x+4y=-1x+8y=-96x-8y=-10
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x+3y=-95x+2y=-82x+4y=-1
5x-2y=-2x-7y=-92x-2y=14
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x+4y=8x-2y=-14x-5y=8
2x-y=-75x-4y=67x-9y=-2
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x-3y=0x+4y=-45x+y=8
5x-3y=56x+2y=-96x-y=-12
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3x-2y=-63x+4y=-75x-3y=-7
3x+4y=22x-8y=-13x+y=0
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5x-3y=-8x+3y=4x+4y=-2
5x-3y=-96x+8y=-4x+8y=4
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3x-2y=62x-4y=-32x-2y=-1
3x+2y=23x+3y=48x+5y=-20
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5x-5y=-4x-4y=3x-5y=-9
2x+5y=-76x-5y=-59x-5y=-20
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3x+y=-4x-y=24x-4y=-9
5x+2y=65x-8y=-26x+8y=-16
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x+2y=-75x-2y=03x+y=7
4x+y=42x-6y=-26x+5y=-13
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x-5y=-43x-5y=82x-y=-1
4x+4y=-45x+8y=-54x-8y=9
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4x+4y=-14x-2y=63x-4y=5
2x-3y=58x+8y=96x+3y=-16
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4x+3y=-25x-5y=-3x+3y=7
3x+3y=44x-y=-28x-6y=-14
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5x+3y=35x-5y=-1x-5y=2
x-3y=49x-2y=5x+y=-15
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5x-4y=02x-4y=-44x-3y=3
4x-3y=-86x-y=26x-2y=5
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4x+4y=0x-y=05x+y=9
x-y=84x+9y=4x-9y=1
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4x-4y=65x-4y=14x+4y=7
3x-2y=-36x+4y=-92x+y=-12
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5x-y=5x+y=-23x-5y=-7
2x-4y=-73x+2y=79x-y=-25
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2x-3y=-24x+4y=93x+3y=-8
2x+5y=8x-3y=-33x+9y=26
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5x+y=82x-2y=-9x+5y=5
5x-2y=12x-4y=52x+y=-14
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3x-y=55x-2y=-6x-3y=6
3x-3y=-37x+3y=-74x-2y=-28
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5x-y=-74x-4y=42x-y=-5
5x-5y=7x+y=17x+5y=-11
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5x-2y=2x+5y=-5x-y=2
2x+3y=-36x-3y=76x-5y=22
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2x+2y=1x+2y=64x-3y=8
2x-3y=-87x-8y=-53x+9y=14
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x+2y=64x+4y=33x+3y=7
x+2y=33x+8y=-94x-2y=20
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5x+5y=64x+3y=44x+3y=-7
2x+2y=09x-4y=-22x+6y=13
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2x+4y=83x-y=-52x+y=-5
4x-4y=8x-7y=-88x+5y=-13
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x+y=-5x+5y=-15x-5y=-5
x+4y=42x-9y=-93x-8y=-5
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x+2y=-72x-5y=-62x+5y=6
4x+3y=06x+3y=94x+3y=-10
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2x+y=33x-3y=-65x+3y=0
5x+4y=-39x+2y=95x-9y=-23
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x+2y=-44x-4y=22x-3y=9
x-2y=59x+3y=26x+y=26
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3x-y=93x+2y=93x+5y=0
x-5y=9x-4y=86x+8y=8
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4x+5y=85x-3y=34x+y=4
x-5y=54x+6y=-78x+7y=13
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4x-5y=-92x+5y=95x+y=9
x-4y=17x-8y=-83x-y=-23
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2x+3y=-3x+3y=83x+y=7
2x-2y=-27x-2y=-22x-5y=30
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3x+2y=84x-4y=12x-5y=1
2x-5y=-7x+3y=1x+2y=9
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2x-y=52x-3y=-54x+5y=7
x-2y=3x+y=49x-4y=18
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5x-2y=-12x+5y=-15x+2y=1
2x-y=-97x-3y=56x+3y=25
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2x+4y=-35x-y=-14x-5y=-6
3x-3y=39x+2y=83x+7y=-6
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2x+2y=-44x+4y=63x+3y=-5
4x-3y=45x+y=22x-3y=-22
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x+4y=-15x+5y=-65x+3y=5
2x+y=4x-8y=-2x-3y=2
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4x+y=6x-2y=02x+5y=-4
2x+5y=92x+6y=18x-6y=-7
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5x+4y=-63x+4y=45x-2y=5
4x-2y=-62x+4y=57x+5y=-17
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3x-2y=-42x+5y=55x+4y=3
x-3y=68x-2y=75x-6y=-8
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2x+y=-1x-4y=-15x-2y=-1
5x+3y=-6x-8y=19x+5y=23
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5x-5y=25x+2y=45x+5y=6
2x-y=63x+2y=78x+5y=5
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3x+3y=-14x+2y=74x-4y=-1
4x+5y=-58x+9y=53x+8y=-26
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2x-5y=05x+3y=43x+3y=2
x-4y=75x+y=-45x+y=-15
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3x+5y=84x+5y=-4x+4y=0
3x-2y=-98x+5y=-34x-9y=9
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3x+5y=6x+5y=-44x+4y=-4
5x-3y=15x-3y=-52x+6y=9
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x-3y=-84x+4y=-1x+2y=-9
5x+2y=-53x-8y=-64x-7y=-15
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2x+y=-65x-3y=-73x+3y=3
x-4y=99x-6y=4x+2y=10
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3x+2y=72x-4y=52x-y=7
4x-3y=-16x+7y=76x+y=-20
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4x+2y=82x+2y=-2x-4y=6
3x-2y=-92x-2y=93x+6y=-21
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x-5y=3x+3y=-3x+3y=0
4x+3y=62x+3y=85x-8y=-14
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2x+5y=54x+4y=83x-5y=8
x+3y=96x+2y=-47x+8y=-17
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5x-y=9x+5y=13x+5y=1
x-3y=-18x+7y=-79x-7y=1
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5x-3y=22x-y=-9x+3y=4
4x+4y=-97x+7y=-82x-9y=2
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2x+2y=-25x+y=-95x+4y=-4
2x+4y=-97x+8y=-72x+4y=12
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x+3y=02x-y=-64x+5y=7
2x+2y=2x+7y=65x+2y=29
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2x-5y=-3x+3y=-6x-4y=-9
2x+y=-12x-y=-25x+7y=8
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