北师大版八年级数学下册解二元一次方程组练习题精选 13.docx
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北师大版八年级数学下册解二元一次方程组练习题精选13
4a=8b-95x+3y=6
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a=b+196x=y-14
5x+6y=1799m-b=15
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7y+x=179-10m+2b=7
7a=5b-188x-3y=-5
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a=7b+69x-2y=7
3x+2y=1890.5x+0.8y=1.2
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y-4x=1890.4x+0.5y=1.1
a=4b-17x+7y=17
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a=3b-135x=3y-19
5x-2y=1598m-7b=25
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2y+2x=159-3m+3b=28
8a=b+114x-2y=3
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2a=8b+52x-4y=-6
8x+6y=500.7x+0.6y=0.7
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8y-7x=500.2x-0.8y=3.2
5a=2b+29x-3y=12
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5a=5b-106x=4y-1
5x+y=88m+9b=25
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y-4x=8-6m+6b=3
6a=6b+129x+5y=3
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3a=7b-162x+7y=10
8x+6y=1660.3x+0.3y=3.6
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7y+3x=1660.3x+0.9y=3.9
4a=3b+33x+2y=17
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4a=8b+108x=8y-5
4x+6y=1639m+b=16
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y+6x=163-3m-7b=27
6a=7b+117x+5y=7
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9a=6b+26x+2y=8
3x-6y=1520.7x-0.9y=1.2
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5y-4x=1520.1x+0.3y=2.2
8a=b+12x-3y=14
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7a=4b-109x=2y+19
6x+y=2004m-3b=20
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8y+9x=200-9m-5b=12
6a=5b-85x+5y=-3
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2a=5b+187x+4y=8
6x+3y=500.9x+0.4y=1.8
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5y+9x=500.4x-0.3y=1.4
2a=2b-59x+2y=12
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a=2b-194x=8y-16
6x-8y=196m+4b=1
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7y-7x=196-5m+2b=28
4a=5b-25x-8y=-10
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5a=6b-187x-5y=1
8x+5y=420.5x+0.7y=1.5
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8y-3x=420.8x-0.7y=3.7
7a=6b+155x-3y=20
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6a=b+206x=8y+10
2x-6y=718m+8b=21
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3y-x=71-9m-5b=9
7a=b-55x+7y=-2
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9a=b+193x-3y=-6
8x+3y=-10.8x-0.1y=2.2
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7y-8x=-10.5x-0.1y=1.5
a=8b-108x-8y=5
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4a=6b+54x=8y+17
2x-8y=163m-4b=19
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6y+9x=16-10m+4b=25
6a=8b-34x-y=-5
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5a=6b-154x-9y=-2
4x+3y=850.5x-0.6y=0.5
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8y-6x=850.6x+0.4y=0.6
a=4b-11x+9y=14
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3a=4b+6x=8y-4
3x-9y=669m+7b=2
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9y+x=66-4m-7b=25
5a=2b-156x+8y=5
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8a=b+20x+4y=-3
9x-6y=1250.6x+0.5y=1.1
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7y-x=1250.1x-0.3y=2.2