二元一次方程组专项练习题39.docx
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二元一次方程组专项练习题39
2a=4b+1x-5y=6
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6a=7b-124x=2y-19
x-5y=138m-5b=21
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y-3x=13-2m+2b=25
9a=2b-115x-8y=7
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a=7b+7x-2y=-8
5x-4y=350.2x+0.4y=2.2
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2y+x=350.3x+0.7y=0.9
7a=6b-34x+7y=17
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3a=2b+168x=3y-17
2x-5y=745m+4b=27
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3y+9x=74-4m-3b=22
6a=4b-128x-4y=-4
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2a=7b-126x-2y=-2
4x+2y=40.3x+0.5y=3.1
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6y-x=40.9x+0.5y=2.2
5a=4b+4x-9y=15
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8a=4b+152x=2y-4
5x-9y=1293m-5b=24
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9y-x=129-6m-6b=18
6a=8b-104x-8y=-5
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5a=7b-65x-7y=-9
7x-3y=-10.2x-0.5y=2.4
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7y+5x=-10.2x-0.6y=2.6
8a=4b+11x+6y=7
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4a=2b-37x=y+17
9x+2y=162m+9b=11
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y-8x=16-9m-6b=11
5a=4b-129x+3y=-9
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5a=5b+134x+8y=1
4x+7y=820.3x+0.9y=1.2
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5y-2x=820.7x-0.9y=2.4
7a=8b+162x-3y=8
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3a=b-18x=4y+1
x-4y=789m+4b=19
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8y+9x=78-9m-9b=21
4a=6b-146x+3y=7
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a=5b-36x+3y=2
2x-6y=1080.3x+0.1y=0.2
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9y+8x=1080.5x-0.1y=3.7
3a=9b+176x+5y=13
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8a=b+93x=4y+11
6x+5y=1454m+4b=24
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3y-7x=145-5m-8b=26
8a=b+75x+2y=-5
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6a=2b-45x-4y=3
9x-9y=-50.3x-0.5y=2.7
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3y+4x=-50.8x-0.1y=1
3a=7b+209x-5y=12
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8a=2b-183x=8y-5
2x-3y=502m+8b=26
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7y+9x=50-2m-4b=24
5a=6b-64x+5y=-8
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6a=8b+28x+6y=6
x+8y=530.1x+0.8y=1.4
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6y-8x=530.6x+0.5y=1.1
9a=7b-24x-y=15
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9a=4b-158x=2y-2
7x+8y=1374m-b=2
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4y-x=137-3m+3b=3
a=7b+66x+4y=10
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2a=6b+14x+4y=-2
6x-7y=00.1x+0.2y=2.6
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2y+9x=00.3x-0.5y=3.9
5a=3b+20x+8y=17
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4a=8b-46x=3y-17
x-5y=867m+5b=12
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9y-5x=86-6m+3b=28
5a=6b-54x-3y=-1
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3a=6b-74x-y=6
7x-6y=1300.6x+0.3y=1.9
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3y+2x=1300.4x-0.6y=4
3a=8b+123x-6y=1
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2a=b+14x=4y+13
4x+8y=1853m+9b=16
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2y-9x=185-10m-6b=28
8a=9b+204x+4y=-9
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2a=4b+209x-9y=7
9x-7y=1540.5x-0.5y=0.3
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3y+8x=1540.4x+0.1y=0.9
6a=4b-2x-8y=3
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2a=3b+12x=2y-8
8x+4y=29m-4b=5
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4y-9x=2-2m-3b=20
4a=7b-105x+y=1
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4a=7b+113x+4y=-3
3x+9y=830.8x-0.2y=3
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2y-4x=830.4x-0.2y=2.9
8a=6b-186x+4y=7
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8a=8b-47x=6y+8
2x+8y=499m+b=27
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y+5x=49-6m+5b=29
5a=5b-26x-8y=4
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8a=7b-196x+9y=-1
6x+6y=180.1x-0.1y=3.8
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8y-8x=180.2x+0.6y=0.5
8a=5b+157x-7y=16
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6a=b+203x=8y+9
2x+8y=375m-6b=3
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5y-4x=37-7m-4b=10
8a=7b-72x-3y=7
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7a=4b-107x-8y=-4
4x-6y=1660.7x+0.6y=0.2
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3y-8x=1660.7x+0.4y=1.9
3a=8b-15x+3y=16
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4a=7b+127x=y+16
6x+9y=18m+5b=20
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4y+7x=18-3m-7b=21
6a=b+204x+4y=8
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4a=8b+114x+3y=-3
7x+9y=-80.4x+0.1y=2.1
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9y+2x=-80.7x+0.9y=0.6
3a=2b+69x+4y=17
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3a=6b+162x=2y+17
4x+4y=1915m+6b=10
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3y-6x=191-6m-3b=6
5a=5b-172x+4y=-2
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7a=4b+199x+8y=4
3x+3y=1160.4x+0.8y=3.6
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9y+3x=1160.2x-0.2y=0.6