4分之3x-1=6分之5x-7-1
问题描述:
4分之3x-1=6分之5x-7-1
答
(3x-1)/4 =(5x-7)/6 -1 3(3x-1)=2(5x-7)-12 9x-3=10x-14-12 9x-10x=3-26 -x=-23 x=23
4分之3x-1=6分之5x-7-1
(3x-1)/4 =(5x-7)/6 -1 3(3x-1)=2(5x-7)-12 9x-3=10x-14-12 9x-10x=3-26 -x=-23 x=23