3/5X-1/2=2/5乘以10得 6x-5=46x=9x=1.5
6x-5=4 6x=9 x=3/2 采纳哦 祝楼主学习进步！！！！！！！
3/5x-1/2=2/53/5x=2/5+1/25x=3x9/10x=21/50
3/5x=2/5+1/23/5x=9/10x=3/2
3x/5=1/2+2/5;3x/5=5/10+4/103x/5=9/10x=3/2
