Just count the notches between the two points, there are 15 notches so 15 is tour answer
Answer:
Step-by-step explanation:
maybe 8 or 1/9
ANSWER

EXPLANATION
The given expression is

The middle radical contains a perfect square.



Note that:


12x-3-3x=5-(x-8)
9x-3=5-(x-8)
9x-3=5-x+ 8
9x-3=13-x
9x=16- x
10x=16
X= 8/5