Question

How to solve for
LN and what are the variables

Answer 1

v See below. v

Explanation:

LM = MN

11x - 21 = 8x + 15

`3x-21=15\\3x=36\\`

x = 12

LM = 11(12) - 21 = 132 - 21 = 111

MN = 8(12) + 15 = 96 + 15 = 111

LN = 111 + 111 = 222