Question
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b. \( 3+2(m-7 x)=4(m-3 x)-2(m+x)+3 \)

Ask by Nguyen Malone. in Switzerland
Mar 16,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

Il n'y a pas de solution unique, car l'équation est toujours vraie pour toutes les valeurs de \( m \) et \( x \).

Solution

Pour résoudre l'équation \( 3 + 2(m - 7x) = 4(m - 3x) - 2(m + x) + 3 \), nous allons procéder étape par étape. 1. **Développer les deux côtés de l'équation :** À gauche : \[ 3 + 2(m - 7x) = 3 + 2m - 14x \] À droite : \[ 4(m - 3x) - 2(m + x) + 3 = 4m - 12x - 2m - 2x + 3 \] En simplifiant, nous avons : \[ 4m - 2m - 12x - 2x + 3 = 2m - 14x + 3 \] 2. **Égaliser les deux côtés :** Maintenant, nous avons : \[ 3 + 2m - 14x = 2m - 14x + 3 \] 3. **Simplifier l'équation :** En soustrayant \( 2m - 14x + 3 \) des deux côtés, nous obtenons : \[ 3 + 2m - 14x - (2m - 14x + 3) = 0 \] Ce qui se simplifie à : \[ 0 = 0 \] Cela signifie que l'équation est identiquement vraie pour toutes les valeurs de \( m \) et \( x \). Il n'y a donc pas de solution unique, mais plutôt une infinité de solutions.

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Simplify this solution

Bonus Knowledge

Alright, let's dive into solving this algebraic equation with some flair! First, simplify the equation: Start by distributing the terms. You'll get: \( 3 + 2m - 14x = 4m - 12x - 2m - 2x + 3 \). Now, combine like terms on the right side: \( 3 + 2m - 14x = 2m - 14x + 3 \). Before we jump to solving, notice the equation has \( 2m - 14x + 3 \) on both sides. This means we can simplify things! Subtract \( 2m + 3 \) from both sides: \[ 3 + 2m - 14x - 2m - 3 = 2m - 14x + 3 - 2m - 3, \] resulting in: \[ -14x = -14x, \] a true statement! This means \( 3 + 2(m - 7x) = 4(m - 3x) - 2(m + x) + 3 \) is an identity, meaning it holds for all values of \( m \) and \( x \). A fundamental concept to remember: equations that simplify to identities mean infinite solutions await! Now, go ahead and give those values a whirl! 🌟

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