okay if LM=6,MN=2x, and LN=8x, what is MN

Question

how do you solve for x to get the total for MN

 

Answer 1

Assuming that L, M, and N are points on a number line with L < M < N, 

 

  6 + 2x = 8x  (Draw a diagram to see this)

 

        6x = 6

 

          x = 1

 

So, MN = 2x = 2