5x/8+(3/8)*8.4=(1+0.25)*9.6

问题描述:

5x/8+(3/8)*8.4=(1+0.25)*9.6

5x/8+(3/8)*8.4=(1+0.25)*9.6
5x/8+3.15=12
5x/8=8.85
x=14.16