Question

1. 3x-9<0
2. 3x+9>0
3. -2x+11<3
4.-6x+13> sau egal 0
5. 4x+12>3
REZOLVATI PLS!!!!

Answer 1

1.
3x-9<0
3x<9
x<9:3 
x<3   
2.
3x+9>0
3x> - 9
x> -9:3
x>-3          

3.
 -2x+11<3
-2x< -11+3
-2x< - 8
x<  4      

4.
-6x+13> = 0
-6x>= -13
x >= -13:-6
x>=  2,1(6)

5.
4x+12>3
4x > 3 -12 
4x> -9
x> -2,25 

Answer 2

3x-9<0
x<9:3
x<3


3x+9>0
3x>-9
x>9:3
x>3


-2x+11<3
-2x<11-3
-2x<8
x<8:2
x<-4


-6x+13>(0)
-6x>-13
×>13:6
x>2,1(6) (adica sase se repeta)



4x+12>3
4x>12-3
4x>9
x>9:4
x>2,25

Bafta multa si succes la scoala!