Answer:
-1
Step-by-step explanation:
-2-3-(-4)=-2-3+4=-5+4=-1
Answer:
5
Step-by-step explanation:
The answer is 3 for sure.
Since you that that line is 180 degrees you can simply do 180-149 and find that the answer is 31 degrees. So you would do 13x+5=31, 31-5=26, 26/13, and then x=2 :)