14+2.4*7+3.6（X-10）=56解方程,

分类: 作业答案 • 2021-12-29 16:40:01

问题描述：

答

14+2.4*7+3.6（X-10）=56
14+16.8+3.6（X-10）=56
3.6（X-10）=56-14-16.8
X-10=25.2÷3.6
X=7+10
X=17