jennyplezime3434 jennyplezime3434
  • 15-01-2021
  • Mathematics
contestada

Point M is on line segment LN. Given MN = 3x, LN = 4x + 9, and
LM 2x + 7, determine the numerical length of LM.

Respuesta :

jimrgrant1 jimrgrant1
  • 15-01-2021

Answer:

LM = 11 units

Step-by-step explanation:

Given M  is on LN , then

LM + MN = LN , substitute values

2x + 7 + 3x = 4x + 9

5x + 7 = 4x + 9 ( subtract 4x from both sides )

x + 7 = 9 ( subtract 7 from both sides )

x = 2

Thus

LM = 2x + 7 = 2(2) + 7 = 4 + 7 = 11

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