7/2x-y=3/2 3x+2y=8
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7/2x-y=3/2 3x+2y=8
![7/2x-y=3/2 3x+2y=8](/uploads/image/z/7904082-66-2.jpg?t=7%2F2x-y%3D3%2F2+3x%2B2y%3D8)
①*2+②,得
10X=11
X=1.1
将X=1.1代人②,得
3.3+2Y=8 ,
解得Y=2.35
∴X=1.1,Y=2.35
(教学相长,共同提高!)
10X=11
X=1.1
将X=1.1代人②,得
3.3+2Y=8 ,
解得Y=2.35
∴X=1.1,Y=2.35
(教学相长,共同提高!)
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