The height of the tree is 42.
Answer:
y = 0
Step-by-step explanation:
- 2y - 4 = 4 (y - 1)
- 2y - 4 = 4y - 4
- 2y - 4y = - 4 + 4
- 6y = 0
- y = 0/6
- y = 0
