x+2/3-1/2=17/18 解方程

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x+2/3-1/2=17/18解方程x+2/3-1/2=17/18解方程x+2/3-1/2=17/18解方程x+2/3-1/2=17/18x+1/6=17/18x=17/18-1/6x=7/9两边同乘

x+2/3-1/2=17/18 解方程
x+2/3-1/2=17/18 解方程

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

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