3分之2x+1-6分之5x-1等于1 两边乘62（2x+1）-(5x-1)=64x+2-5x+1=6-x+3=6x=3-6x=-3
等式两边同时乘以6，得到2（2x+1）-(5x-1)=64x+2-5x+1=6-x+3=6x=3-6x=-3
(2x+1)/3-(5x-1)/6=1解：2（2x+1）-（5x-1）=64x+2-5x+1=64x-5x=6-1-2-x=3x=-3
