化简(4x-2y)-﹛5x-[8y-2x-(x+y)]-x﹜
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化简(4x-2y)-﹛5x-[8y-2x-(x+y)]-x﹜化简(4x-2y)-﹛5x-[8y-2x-(x+y)]-x﹜化简(4x-2y)-﹛5x-[8y-2x-(x+y)]-x﹜(4x-2y)-﹛5
化简(4x-2y)-﹛5x-[8y-2x-(x+y)]-x﹜
化简(4x-2y)-﹛5x-[8y-2x-(x+y)]-x﹜
化简(4x-2y)-﹛5x-[8y-2x-(x+y)]-x﹜
(4x-2y)-﹛5x-[8y-2x-(x+y)]-x﹜
=4x-2y-5x+[8y-2x-x-y]+x
=-x-2y+8y-3x-y+x
=-3x+5y