Answer:
9964
Step-by-step explanation:
I believe the answer is 39<span />
4x - 13 = 2x + 9
Add 13 to each side
4x = 2x + 22
Subtract 2x from both sides
2x = 22
Divide both sides by 2
x = 11
Answer:
I think it might be -2....
Answer:
the answer is 45,85,40
Step-by-step explanation:
Add all angles if it equals 180 it is a triangle if under or over it is not an angle
