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\( \xrightarrow{\text { Graph the solution set for this inequality on the number line: } 5(x-3)+2 \leq 2(x-5)} \)

Ask by Savage Ward. in the United States
Mar 11,2025

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**Solución:** 1. **Expandir la desigualdad:** \[ 5(x - 3) + 2 \leq 2(x - 5) \] \[ 5x - 15 + 2 \leq 2x - 10 \] \[ 5x - 13 \leq 2x - 10 \] 2. **Aislar \( x \):** \[ 5x - 2x - 13 \leq -10 \] \[ 3x - 13 \leq -10 \] \[ 3x \leq 3 \] \[ x \leq 1 \] 3. **Graficar en la recta numérica:** - Coloca un punto cerrado en \( 1 \). - Sombrea la parte de la recta hacia la izquierda de \( 1 \). **Resultado:** \[ x \leq 1 \]

Solution

**Paso 1. Expandir los términos de la desigualdad** Partimos de la desigualdad \[ 5(x-3)+2\leq2(x-5) \] Expande los paréntesis: \[ 5x-15+2\leq2x-10 \] Simplifica: \[ 5x-13\leq2x-10 \] **Paso 2. Aislar la variable \( x \)** Resta \( 2x \) en ambos lados: \[ 5x-2x-13\leq-10 \] \[ 3x-13\leq-10 \] Suma \( 13 \) a ambos lados: \[ 3x\leq3 \] Divide entre \( 3 \): \[ x\leq1 \] **Paso 3. Graficar la solución en la recta numérica** La solución es: \[ x\leq1 \] Para graficarla en la recta numérica: - Coloca un punto cerrado en \( 1 \) (esto indica que \( 1 \) está incluido en la solución). - Sombrea la parte de la recta hacia la izquierda de \( 1 \) para indicar que todos los valores menores o iguales a \( 1 \) satisfacen la desigualdad.

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To solve the inequality \( 5(x-3)+2 \leq 2(x-5) \), start by expanding both sides. This gives you \( 5x - 15 + 2 \leq 2x - 10 \), which simplifies to \( 5x - 13 \leq 2x - 10 \). Next, bring all terms involving \( x \) to one side and constant terms to the other side: \( 5x - 2x \leq -10 + 13 \), which results in \( 3x \leq 3 \). Dividing by 3 yields \( x \leq 1 \). On a number line, you would represent this solution by shading all points to the left of (and including) 1, with a closed circle at 1. If you’re new to inequalities, it’s easy to make a common mistake by flipping the inequality sign when multiplying or dividing by a negative number. Always keep an eye on the sign of the number you’re working with! And remember to check your inequality by substituting a value from the solution set, like \( x = 0 \), back into the original inequality to ensure it holds true.

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