8-5x=3x+9
问题描述：
8-5x=3x+9
答
8-5x=3x+9
-5x-3x=9-8
-8x=1
x=-1/8
答
x=1/8
答
8-5x=3x+9
8x=-1
x=-1/8
答
8-5x=3x+9
5x+3x=8-9
8x=-1
x=-1/8
答
8-5x=3x+9
-5x-3x=9-8
-8x=1
x=-8分之1