Answer:
m = 2
Step-by-step explanation:
Given:
x = 4
y = 6m - 2
a = 8
b = 5
Required:
Value of m
SOLUTION:
x and y are segments of a chord divided when it intersects another chord that also has segments a and b.
According to the Intersecting chords theorem, 
Thus:

Solve for m





The value of m = 2
 
        
             
        
        
        
I hope this helps you 
K-10=7.2
K-10=14
K=14+10
K=24
        
             
        
        
        
They are variables they can equal anything. it is just an example of two different fractions who's numbers are unknown.
        
             
        
        
        
If your just looking for x then x=2