3/8x=1/4x+1.2

问题描述:

3/8x=1/4x+1.2

3/8x=1/4x+1.2
3/8x-1/4x=1.2
(3/8-1/4)x=1.2
1/8x=1.2
x=1.2×8
x=9.6
应该看得懂吧?