解方程:35%+360=3x/4 - 40 .x等于多少
问题描述:
解方程:35%+360=3x/4 - 40 .x等于多少
35%x+360=3x/4-40 写错
答
35%+360=3x/4 - 40
35%+360=0.75x-40
0.75x=400.35
x=400.35÷0.75
x=533.835%x+360=3x/4-40 写错35%x+360=3x/4-40 35%x+360=0.75x-400.4x=400x=10000.4x是什么意思啊35%x+360=0.75x-40(移向,40移向左边,35%x=0.35x,移向右边)360+40=0.75x-0.35x400=0.4x(0.4x也表示40%x)