解方程:1=-(x-1)/2+(x-2)/6-(x+2)/3

问题描述:

解方程:1=-(x-1)/2+(x-2)/6-(x+2)/3

1=-(x-1)/2+(x-2)/6-(x+2)/3
6=-3(x-1)+(x-2)-2(x+2)
6=-3x-3+x-2-2x-4
6=-4x-9
15=-4x
4x=-15
x=-15/4