X-2[x-3(x+4)-6]=1.怎样做

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X-2[x-3(x+4)-6]=1.怎样做X-2[x-3(x+4)-6]=1.怎样做X-2[x-3(x+4)-6]=1.怎样做答:X-2[x-3(x+4)-6]=1x-2x+6(x+4)+12-1=0

X-2[x-3(x+4)-6]=1.怎样做
X-2[x-3(x+4)-6]=1.怎样做

X-2[x-3(x+4)-6]=1.怎样做
答:
X-2[x-3(x+4)-6]=1
x-2x+6(x+4)+12-1=0
-x+6x+24+11=0
5x+35=0
x=-7

给你截图了