x-0.25x+1=10.4x+0.25x-1
问题描述：
x-0.25x+1=10.4x+0.25x-1
答
0.75x+1=10.65x-1
9.9x=2
x=99\20
x-0.25x+1=10.4x+0.25x-1
0.75x+1=10.65x-1
9.9x=2
x=99\20