Respuesta :

x = 6 and KL = 32

First off, you're not brainless, your brain needs practice that's all.

Since L is the midpoint of the line KM, that means KL = LM

KL [tex]= 5x + 2[/tex]

LM [tex]= 9x - 22[/tex]

KL = LM

[tex]5x+2=9x-22\\5x=9x-24\\-4x=-24\\x=\frac{-24}{-4} \\x=6[/tex]

KL [tex]= 5x + 2[/tex], substitute [tex]x[/tex]:

KL [tex]=5(6)+2[/tex]

KL [tex]= 30 + 2[/tex]

KL [tex]= 32[/tex]

let's also find LM just for fun

LM [tex]= 9x-22[/tex], substitute [tex]x[/tex] again:

LM [tex]= 9(6) -22[/tex]

LM [tex]=54-22[/tex]

LM [tex]=32[/tex]

this proves that KL = LM

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