PLS HELP WILL MARK BRAINLIEST.
Find each angle measure.
(4, 5)

Answer:
4. 19
5. 4
Step-by-step explanation:
at 4.
angls are equal by Z rule so,
3x+21 =4x+9
x = 19
at 5. the angls are equal by F rule so,
20x+17=26x-7
6x=24
x = 4