angle 1 and angle 7 are alternate exterior angles.
angle 1 and angle 5 are corresponding angles.
angle 3 and angle 8 are same side interior angles.
angle 2 and angle 8 are alternate interior angles.
Answer:
is c
Step-by-step explanation:
x= 3
19x-5=7+15x
19x-15x=7+5
4x=12
x=12/4
x=3