Answer:
x = 7
Step-by-step explanation:
( x +16)° = (4x - 5)°
x + 16 = 4x - x
16 + 5 = 4x - x
21 = 3x
7= x
hence, x =7
YOUR ANSWER IS 9
HOPE IT HELPS:)
The degree of this polynomial is 4!!!
Answer:

Step-by-step explanation:

<h3>Hope it is helpful....</h3>