计算-(5x-y)-【6x-(x-3y)-1】-1

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计算-(5x-y)-【6x-(x-3y)-1】-1计算-(5x-y)-【6x-(x-3y)-1】-1计算-(5x-y)-【6x-(x-3y)-1】-1解原式=-5x+y-[6x-x+3y-1]-1=-

计算-(5x-y)-【6x-(x-3y)-1】-1
计算-(5x-y)-【6x-(x-3y)-1】-1

计算-(5x-y)-【6x-(x-3y)-1】-1

原式
=-5x+y-[6x-x+3y-1]-1
=-5x+y-5x-3y+1-1
=(-5x-5x)+(y-3y)
=-10x-2y