11x=9*[5/3(x-6)-6]
问题描述:
11x=9*[5/3(x-6)-6]
答
11x=9*[5/3(x-6)-6]
11x=9*5/3(x-6)-9*6
11x=15(x-6)-54
11x=15x-90-54
90+54=15x-11x
4x=144
x=36