4分之2x+1-1=x-12分之10x+1
两边乘以12
3(2x+1)-12=12x-(10x+1)
6x+3-12=12x-10x-1
6x-9=2x-1
4x=8
x=2
祝学习进步,望采纳,不懂得的欢迎追问.