Answer:
-73
Step-by-step explanation:
substitue the -8 in for x. then multiply -8 by 7 you get -56. then subtract 17.
Show the graphs so we can see
Answer:
60
Step-by-step explanation:
180-140=40, 180-(80+40)=60
5.5x+9
Trying to make my answer 20 characters
Answer:
30
Step-by-step explanation:
Exterior angle equals sum of opposite interior angles
3x = 2x + 30
3x - 2x = 30
x = 30
