x+2/3-1/2=17/18 解方程

问题描述:

x+2/3-1/2=17/18 解方程

两边同乘18. 得到18x+12-9=17,即18x=17-12+9,x=14/18=7/9

x+2/3-1/2=17/18
x+ 1/6 = 17/18
x = 17/18 - 1/6
x = 7/9