15%除以{x+1}=12.5%

问题描述:

15%除以{x+1}=12.5%

15%=12.5%(x+1)
15%=12.5%x+12.5%
12.5%x=2.5%
x=20%

x+1=15%÷12.5%
x+1=1.2
x=0.2

15%÷{x+1}=12.5%
15%=12.5%(x+1)
15%÷12.5%=x+1
x+1=1.2
x=0.2