QUESTION IMAGE
Question
matemáticas
- la solución del sistema de ecuaciones \\(\
$$\begin{cases} 3x + y = 21 \\\\ 3x + 3y = 33 \\end{cases}$$
\\) es
a) \\(x = 6\\), \\(y = 5\\)
b) \\(x = 5\\), \\(y = 6\\)
c) \\(x = 6\\), \\(y = 4\\)
d) \\(x = 3\\), \\(y = 2\\)
Restar las dos ecuaciones para eliminar la variable x
$$
LATEXBLOCK0
$$
Sustituir el valor de y en la primera ecuación para hallar x
$$
LATEXBLOCK1
$$
Verificar la solución obtenida en el sistema
$$
LATEXBLOCK2
$$
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- A) \(x = 6\), \(y = 5\)
- B) \(x = 5\), \(y = 6\) (Correct answer)
- C) \(x = 6\), \(y = 4\)
- D) \(x = 3\), \(y = 2\)