QUESTION IMAGE
Question
3.) 2x - 3y = -9
5x + 3y = 9
Step1: Sumar las dos ecuaciones
Al sumar \(2x - 3y = -9\) y \(5x + 3y = 9\), los términos con \(y\) se cancelan:
$$
LATEXBLOCK0
$$
Step2: Resolver para \(x\)
Dividir ambos lados por 7:
$$
x = \frac{0}{7} = 0
$$
Step3: Sustituir \(x = 0\) en una ecuación
Usar \(5x + 3y = 9\):
$$
5(0) + 3y = 9
$$
Step4: Resolver para \(y\)
Simplificar y despejar \(y\):
$$
3y = 9 \implies y = \frac{9}{3} = 3
$$
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La solución del sistema es \(x = 0\) y \(y = 3\).