二元一次方程组专项练习题80.docx
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二元一次方程组专项练习题80
4a=3b-134x-6y=13
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9a=2b-32x=4y-1
8x+7y=808m-4b=15
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8y+x=80-6m-9b=10
8a=4b-154x-9y=6
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5a=b+95x-9y=6
8x-7y=280.3x-0.8y=2.1
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y+4x=280.1x+0.3y=0.7
a=b+65x+2y=18
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3a=8b+145x=5y+12
5x+9y=1876m+6b=24
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2y-9x=187-5m-4b=23
8a=b+52x+6y=8
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9a=5b+29x+4y=3
5x-9y=1800.8x-0.5y=2
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y+4x=1800.9x-0.2y=0.9
5a=6b+138x+9y=8
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6a=3b-183x=4y-8
7x+3y=103m-3b=6
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2y+9x=10-4m+8b=9
8a=2b-83x+y=-5
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6a=8b+109x+2y=-4
2x+5y=1030.2x-0.6y=4
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6y-6x=1030.2x+0.7y=3.4
8a=7b+97x-4y=14
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9a=4b-44x=6y+5
6x+y=1114m+2b=8
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6y+9x=111-8m-b=2
2a=7b+4x+6y=10
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9a=8b-82x-9y=-9
x-2y=1100.6x-0.4y=0.8
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3y-5x=1100.2x+0.9y=0.3
5a=5b+116x-8y=10
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a=9b-17x=2y+12
3x-3y=89m-2b=3
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2y+7x=89-1m-9b=26
2a=6b-113x-7y=-3
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7a=2b-98x-4y=1
5x+5y=210.5x+0.9y=0.2
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2y+2x=210.8x+0.3y=1.5
7a=9b+106x+7y=6
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a=9b+113x=2y+1
3x+4y=84m-2b=21
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y-2x=84-10m-3b=0
8a=2b-149x-2y=-7
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4a=b-189x+6y=-2
8x-4y=10.2x+0.2y=3.5
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9y+7x=10.5x-0.2y=1.3
4a=2b-84x-4y=6
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2a=2b+19x=3y+6
9x+7y=87m+4b=1
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2y-2x=8-2m+b=26
5a=9b+93x-6y=-5
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3a=b+117x-5y=7
7x-y=470.6x-0.2y=1.1
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9y-3x=470.4x+0.7y=2.6
2a=3b+183x-5y=17
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2a=7b-64x=9y+12
8x-y=638m-2b=19
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4y-4x=63-3m+7b=10
8a=6b+68x+3y=-9
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3a=2b+17x+5y=-7
5x+5y=310.3x+0.1y=3.5
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2y+9x=310.5x-0.5y=1.7
3a=5b+122x+6y=1
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a=3b+127x=4y-8
6x+2y=152m-b=5
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6y-4x=15-10m+b=6
6a=7b+169x+2y=-1
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8a=3b+98x-9y=6
4x+2y=1160.4x-0.2y=0.5
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y-5x=1160.2x-0.4y=0.6
4a=b+2x-2y=11
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9a=5b+27x=8y+17
5x-7y=47m-b=2
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2y-8x=4-10m+2b=8
2a=6b-36x-8y=3
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4a=2b+109x+2y=-5
5x+3y=100.3x+0.2y=0.5
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2y-4x=100.4x-0.6y=0.6
3a=b+199x+y=7
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a=4b+118x=4y+11
6x+4y=684m+b=15
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2y+5x=68-3m+5b=4
5a=5b+97x+2y=-6
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9a=6b+156x+3y=6
6x-y=1430.2x+0.3y=3.7
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6y+7x=1430.5x+0.9y=0.3
4a=9b+135x-9y=12
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5a=5b+57x=9y-12
5x+6y=429m-9b=0
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y-4x=42-3m+4b=24
9a=b-98x+9y=-1
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5a=4b+45x-3y=-6
8x+6y=50.8x-0.5y=2.3
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6y+x=50.1x-0.3y=3.5
4a=7b+54x+9y=3
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5a=5b+93x=5y+18
8x+8y=452m-8b=30
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5y-5x=45-4m+9b=30
a=b+203x-8y=-6
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5a=2b+39x-6y=8
5x+9y=770.1x-0.1y=0.8
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3y-4x=770.6x+0.2y=1.1
3a=4b+89x-5y=17
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5a=6b-15x=8y-12
9x-3y=175m+4b=8
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y+9x=17-3m+b=8
a=3b+207x-9y=4
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a=2b-38x-5y=-1
8x-6y=470.9x+0.9y=1.7
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2y-9x=470.6x-0.5y=3
2a=3b-119x+4y=2
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4a=7b-43x=4y-19
3x+8y=714m+b=25
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9y-4x=71-9m+2b=22
6a=4b+62x-4y=9
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5a=4b-79x-7y=3
6x-4y=100.7x-0.8y=2.2
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2y-6x=100.3x+0.1y=3.2