Question

Solve : (2x+1)+3/2x+1=4​

Answer 1

let 2x+1=y

then y+3/y=4

y2+3=4y

y2-4y+3=0

y2 -3y-y+3=0

y(y-3)-(y-3)=0

y=1,y=3

then

2x+1=1 ,x=0

2x+1=3 ,x=1