QUESTION IMAGE
Question
45 = |c - 20|
Step1: Definir la ecuación de valor absoluto
La ecuación \( 45 = |c - 20| \) significa que \( c - 20 = 45 \) o \( c - 20 = -45 \), ya que \( |x| = a \) implica \( x = a \) o \( x = -a \) para \( a \geq 0 \).
Step2: Resolver \( c - 20 = 45 \)
Sumar 20 a ambos lados: \( c = 45 + 20 = 65 \).
Step3: Resolver \( c - 20 = -45 \)
Sumar 20 a ambos lados: \( c = -45 + 20 = -25 \).
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\( c = 65 \) o \( c = -25 \)