Answer:
x = 45
Step-by-step explanation:
Straight line has 180 degrees; so if you add all the angles up:
2x + x + x = 180
4x = 180
x = 45 degrees
The standard form is 5x-6y=16
Answer:
x=125
Step-by-step explanation:
all angles of a triangle add up to 180 degrees.
30+25=55
180-55=125