已知X Y Z满足3x-2y+z的绝对值+2x+y+2z的绝对值=0(x,y,z不等于0),求x+y除以Z的值
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![已知X Y Z满足3x-2y+z的绝对值+2x+y+2z的绝对值=0(x,y,z不等于0),求x+y除以Z的值](/uploads/image/z/1612999-55-9.jpg?t=%E5%B7%B2%E7%9F%A5X+Y+Z%E6%BB%A1%E8%B6%B33x-2y%2Bz%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%2B2x%2By%2B2z%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%3D0%EF%BC%88x%2Cy%2Cz%E4%B8%8D%E7%AD%89%E4%BA%8E0%EF%BC%89%2C%E6%B1%82x%2By%E9%99%A4%E4%BB%A5Z%E7%9A%84%E5%80%BC)
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已知X Y Z满足3x-2y+z的绝对值+2x+y+2z的绝对值=0(x,y,z不等于0),求x+y除以Z的值
已知X Y Z满足3x-2y+z的绝对值+2x+y+2z的绝对值=0(x,y,z不等于0),求x+y除以Z的值
已知X Y Z满足3x-2y+z的绝对值+2x+y+2z的绝对值=0(x,y,z不等于0),求x+y除以Z的值
根据题意,要满足两个绝对值相加等于0,那么这两个绝对值都等于0
所以3x-2y+z=0和2x+y+2z=0
所以化简这两个方程,可以得到
x=-5/7 z
y=-4/7 z
所以(x+y)/z=-9/7
满意的话望采纳哦!