5+x= 0 => x= -5
2- 3x=0 => x= 2/3
x -∞ -5 2/3 ∞
-----------------------------------------
5+x - 0 + +
-----------------------------------------
2-3x + + 0 -
daca x< -5
-5-x= 2-3x
2x= 7
x= 7/2 > -5 nu e solutie
daca x∈ [-5,2/3]
5+x= 2- 3x
4x= -3
x= -3/4 ∈ [-5, 2/3] e solutie
daca x> 2/3
5+x= 3x-2
2x= 7
x= 7/2 > 2/3 e solutie
O zi buna!
