4x+25*3=21.9 解方程

问题描述:

4x+25*3=21.9 解方程

4x+25*3=21.9
4x+75=21.9
4x=-53.1
x=-13.175
希望能帮到你哦!

4x + 25×3 = 21.9
4x + 75 = 21.9
4x = 21.9 - 75
4x = - 53.1
x=-13.275

4x + 25×3 = 21.9
4x + 75 = 21.9
4x = 21.9 - 75
4x = - 53.1
x = - 531 / 40

x=-13.275