x-25%-(35%x-5)=65 解方程怎么解
问题描述:
x-25%-(35%x-5)=65 解方程怎么解
答
x-25%-(35%x-5)=65
x-25%-35%x+5=65
65%x=60+25%
65x=6000+25
65x=6025
x=6025/65
x=1205/13
答
x-25%-(35%x-5)=65
x-25%x-35%x+5=65
40%x=60
x=150
楼主应该是少打了一个x吧