(x-3)除以2=17.5,急

问题描述:

(x-3)除以2=17.5,急

(x-3)除以2=17.5
(x-3)=17.5×2
x=38

(x-3)除以2=17.5
方程两边同乘以2得x-3=35
x=38

11.75

(x-3)除以2=17.5,
x-3=35
x=38

x-3=17.5乘以2
x-3=35
x=35+3=38