This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

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Welcome back ãmĩñä😍😍 — been a while! Let's pick up where you left off.
Voici la résolution du premier exercice en utilisant la méthode du déterminant.
Le système donné est :
Step 1: Calculer le déterminant du système, . Les coefficients sont , , , .
Step 2: Calculer le déterminant pour , . Les constantes sont , .
Step 3: Calculer le déterminant pour , .
Step 4: Trouver les valeurs de et .
L'ensemble des solutions est :
S = \left\{ \left(-\frac{1{5}, \frac{7}{5}\right) \right\}}Envoie-moi la prochaine 📸
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Welcome back ãmĩñä😍😍 — been a while! Let's pick up where you left off. Voici la résolution du premier exercice en utilisant la méthode du déterminant.
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.