QUESTION IMAGE
Question
- if k is the midpoint of \\(\overline{jl}\\), \\(jk = 8x + 11\\) and \\(kl = 14x - 1\\), find \\(jl\\).
Step1: Igualar JK y KL (midpoint)
Como \( K \) es el punto medio de \( \overline{JL} \), entonces \( JK = KL \). Entonces:
\( 8x + 11 = 14x - 1 \)
Step2: Resolver para x
Restar \( 8x \) de ambos lados:
\( 11 = 6x - 1 \)
Sumar 1 a ambos lados:
\( 12 = 6x \)
Dividir por 6:
\( x = 2 \)
Step3: Calcular JK y KL
Sustituir \( x = 2 \) en \( JK \):
\( JK = 8(2) + 11 = 16 + 11 = 27 \)
Sustituir \( x = 2 \) en \( KL \):
\( KL = 14(2) - 1 = 28 - 1 = 27 \)
Step4: Calcular JL
\( JL = JK + KL = 27 + 27 = 54 \)
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\( JL = 54 \)