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(1) Hallar Sen \( |5-4 x|=23 \) (2) Hallar Sen \( |5-4 x|<23 \) (3) Hallar Sen \( |5-4 x| \geqslant 23 \)

Ask by Gonzalez Mckenzie. in Colombia
Feb 28,2025

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(1) x = –9/2 ó x = 7 (2) –9/2 < x < 7 (3) x ≤ –9/2 ó x ≥ 7

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Beyond the Answer

Para resolver la ecuación \( |5-4x|=23 \), debes considerar dos casos. Primero, para el caso positivo: \( 5 - 4x = 23 \), lo que lleva a \( -4x = 18 \) y, por lo tanto, \( x = -4.5 \). Para el caso negativo: \( 5 - 4x = -23 \), resulta en \( -4x = -28 \) y así \( x = 7 \). Para la desigualdad \( |5-4x|<23 \), debes también considerar dos casos. El primer caso es \( 5 - 4x < 23 \), que se simplifica a \( x > -4.5 \). El segundo caso es \( 5 - 4x > -23 \), lo que se traduce a \( x < 7 \). Por lo tanto, la solución es el intervalo \( -4.5 < x < 7 \). Para la desigualdad \( |5-4x| \geqslant 23 \), necesitas analizar los mismos dos casos. Primero, \( 5 - 4x \geqslant 23 \) da \( x \leq -4.5 \). Y en el caso \( 5 - 4x \leqslant -23 \), resolviendo, obtienes \( x \geqslant 7 \). Así que aquí las soluciones son \( x \leq -4.5 \) o \( x \geq 7 \).

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