解方程:25*0.36=1.5+25%x

问题描述:

解方程:25*0.36=1.5+25%x

25*0.36=1.5+25%x
1.5+25%x=9
25%x=7.5、
x=30

0.25X=25*0.36-1.5
0.25X=9-1.5
0.25x=7.5
x=30

25*0.36=1.5+25%x
9= 1.5+ 0.25X
0.25X=7.5
X=30

30

两边*100
25*36=150+25x
36=6+x
x=30