Answer:

Step-by-step explanation:

Add 6 to both sides:


Divide both sides by -3:


Subtract 4 from both sides:


Divide both sides by 2:


Answer:
-4
Step-by-step explanation:
Parallel lines have the same slope
-4
Answer:
x=11
Step-by-step explanation:
5x+9=6x-2 (corresponding angles)
x=11