Answer:
1) x=20 degrees
2) x=25 degrees
Step-by-step explanation:
1) there is 9x if you add all of the angles together and there is 180 degrees in a triangle so 180 divided by 9 equals 20 degrees.
2)there is 7x and 5 dgress in total so we can make an equation:
7x+5=180
7x=175
x=25
