Answer:
x = 8
Step-by-step explanation:
2/3x + 1 = -1/3x + 9
x + 1 = 9
Add to both sides.
Subtract one on both sides.
angle 1 - 78
angle 2- 102
angle 3- 78
angle 4- 102
angle 5- 38
angle 6- 142
angle 8- 142
angle 9- 78
angle 11- 78
angle 12- 102
angle 13- 38
angle 14- 142
angle 15- 38
angle 16- 142
Answer is A and C because they equal to 3(10-c)
-23
i dont know
D
