已知y=y1+y2,若y1与x-1成正比例,y2与x+1成反比例,且当x=0时,y=-5:当x=2时,y=1.⑴求y与x的函数关系式.⑵求当y=-3时x的值
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![已知y=y1+y2,若y1与x-1成正比例,y2与x+1成反比例,且当x=0时,y=-5:当x=2时,y=1.⑴求y与x的函数关系式.⑵求当y=-3时x的值](/uploads/image/z/6614283-3-3.jpg?t=%E5%B7%B2%E7%9F%A5y%3Dy1%2By2%2C%E8%8B%A5y1%E4%B8%8Ex-1%E6%88%90%E6%AD%A3%E6%AF%94%E4%BE%8B%2Cy2%E4%B8%8Ex%2B1%E6%88%90%E5%8F%8D%E6%AF%94%E4%BE%8B%2C%E4%B8%94%E5%BD%93x%3D0%E6%97%B6%2Cy%3D-5%3A%E5%BD%93x%3D2%E6%97%B6%2Cy%3D1.%E2%91%B4%E6%B1%82y%E4%B8%8Ex%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F.%E2%91%B5%E6%B1%82%E5%BD%93y%3D-3%E6%97%B6x%E7%9A%84%E5%80%BC)
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