Answer:
x= -6,-12
Step-by-step explanation:
Answer:
x ≥ 4
Step-by-step explanation:
Start with: 5x - 9 ≥ 11
Add 9 to both sides: 5x - 9 + 9 ≥ 11 + 9
Divide both sides by 5: 
Simplify: x ≥ 4
Since you are not dividing both sides by a negative number, the greater than or equal to sign faces the same direction.
Answer:
x=.5
Step-by-step explanation:
6x-9+8-4x=0
6x-4x=2x
-9+8=-1
2x-1=0
2x=1
x=.5