8x+1/5x+3>1 解不等式

问题描述:

8x+1/5x+3>1 解不等式

(8x+1)/(5x+3)-1>0
(8x+1)/(5x+3)-(5x+3)/(5x+3)>0
(8x+1-5x-3)/(5x+3)>0
(3x-2)(5x+3)>0
∴x2/3