(2x-1)/2-(2x+5)/3=(6x-7)/6-1

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(2x-1)/2-(2x+5)/3=(6x-7)/6-1

两边乘6
3(2x-1)-2(2x+5)=(6x-7)-6
6x-3-4x-10=6x-7-6
2x-13=6x-13
6x-2x=-13+13
4x=0
x=0

(2x-1)/2-(2x+5)/3=(6x-7)/6-1
x-1/2-(2/3)x-(5/3)=x-(7/6)-1
-(2/3)x=0
x=0

解:6x-3-4x-10=6x-7-1
-4x=-5
x=5/4