11-2[x+1]=3x+4[2x-3]的结果
问题描述:
11-2[x+1]=3x+4[2x-3]的结果
答
11-2[x+1]=3x+4[2x-3]
11-2x-2=3x+8x-12
-2x-11x=-12-9
-13x=-21
x=21/13