2.4x-1.4x+3x+2.4=0

分类: 作业答案 • 2022-01-09 18:02:39

问题描述：

2.4x-1.4x+3x+2.4=0

答

2.4x-1.4x+3x+2.4=0
4x+2.4=0
4x=-2.4
x=-0.6