解方程:2x+1.4=7.6,求x

问题描述:

解方程:2x+1.4=7.6,求x

2x+1.4=7.6
2x=7.6-1.4=6.2
x=3.1
不懂可以追问,谢谢!

2x+1.4=7.6
2x=6.2
x=3.1