Question

3x+1/2>x+2 ??? me ajudem prvr

Answer 1

3x + 1/2 > x + 2 
3x - x > 2 - 1/2
2x > 3/2
x > (3/2) / 2
x > 3/4

$S=\{ x \in R | x>\frac{3}{4} \}$

Answer 2

  
3x + 1  > x + 2  mmc= 2
        2

6x + 1 > 2x + 4

6x  - 2x > 4 - 1
   4x > 3

 x >3
      4
D= { x E R / x > 3/4 }