2(x+4)=-0.6(5-x)

问题描述:

2(x+4)=-0.6(5-x)

2x+8=-3+0.6x
2x-0.6x=-3-8
-1.4x=-11
14x=110
x=110/14
x=7.85714286

2x-0.6x=-3-8
1.4x=-11
x=-7又6/7