20 POINTS help fast please
Find the length of line segment x.
A) 4
B) 5
C) 6
D) 7

Answer:
x = 9
Step-by-step explanation:
as we now both the sides are similar and thus we can create an equation:
5x - 6 = 3x + 12
5x - 3x = 12 + 6
2x = 18
x = 9