(3x-1)除以2+1=(4x+2)除以5

问题描述:

(3x-1)除以2+1=(4x+2)除以5

(3x-1)/2+1=(4x+2)/5
(3x-1)*5+10=(4x+2)*2
15x-5+10=8x+4
7x=-1
x=-1/7