x-[1/4x+(25%x-5)]=65 怎么解x-[1/4x+(25%x-5)]=65

分类: 作业答案 • 2022-06-07 14:51:08

问题描述：

x-[1/4x+(25%x-5)]=65 怎么解
x-[1/4x+(25%x-5)]=65

答

x_[1/4x+1/4x_5]=65 x_1/2x+5=65 1/2x=60 x=120

答

x-[1/4x+(25%x-5)]=65
x-x/4-x/4+5=65
x/2=60
x=120

答

x-[1/4x+(25%x-5)]=65
x-(1/4x+1/4x-5)=65
x-(1/2x-5)=65
1/2x+5=65
1/2x=60
x=120

答

X-[1/4X+（25%X-5）]=65
X-[1/4X+25%X-5] =65
X-1/2X+5 =65
1/2X =65-5
X=120