x/90+2.5=x/50 怎么解

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/26 22:47:12
x/90+2.5=x/50怎么解x/90+2.5=x/50怎么解x/90+2.5=x/50怎么解x/90+2.5=x/50(x/90+2.5)*450=x/50*4505x+1125=9x1125=9

x/90+2.5=x/50 怎么解
x/90+2.5=x/50 怎么解

x/90+2.5=x/50 怎么解
x/90+2.5=x/50
(x/90+2.5)*450=x/50*450
5x+1125=9x
1125=9x-5x
4x=1125
x=1125/4
x=281.25

5X+2.5×450=9X
4X=2.5×450
X=281.25