As they are vertical angles, their magnitude would be equal.
x = 3x - 60
3x - x = 60
2x = 60
x= 30
In short, Your Answer would be 30
Hope this helps!
Answer:
Step-by-step explanation:
your equation is -1=7x+b so to put it in y= form, move the -1. your answer is y=7x+1
Length of the window = 9ft
The length is x feet more than the height
Therefore, the height is (9-x) ft