Angle pair 1 and 2 are vertical.
Angle pair 5 and 6 are adjacent.
Where is the photo u forgot it
Answer:
Step-by-step explanation:
5x – 1 = 3x – 15
Subtraction Property of Equality (Subtract 3x from both sides)
2x - 1 = -15
Addition Property of Equality (Add 1 to both sides)
2x = - 14
Division Property of Equality (Divide both sides by 2)
x = -7