(7/12-1/4)÷5/12-(x-2/3)=37/56解方程

问题描述:

(7/12-1/4)÷5/12-(x-2/3)=37/56解方程

(7/12-3/12)×12/5-x+2/3=37/56
4/12×12/5-x+2/3=37/56
4/5-x+2/3=37/56
x=4/5+2/3-37/56
x=840分之677呃,“解”