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Sagot :
Para resolver la ecuación dada [tex]\(\frac{x}{5} = \frac{y}{9} = \frac{z}{13} = 3\)[/tex], primero identificamos y asignamos el valor de la proporción común a 3. Esto significa que cada fracción es igual a 3. Entonces podemos resolver para [tex]\(x\)[/tex], [tex]\(y\)[/tex] y [tex]\(z\)[/tex] de la siguiente manera:
1. Resolvemos para [tex]\(x\)[/tex]:
[tex]\[ \frac{x}{5} = 3 \implies x = 3 \times 5 = 15 \][/tex]
2. Resolvemos para [tex]\(y\)[/tex]:
[tex]\[ \frac{y}{9} = 3 \implies y = 3 \times 9 = 27 \][/tex]
3. Resolvemos para [tex]\(z\)[/tex]:
[tex]\[ \frac{z}{13} = 3 \implies z = 3 \times 13 = 39 \][/tex]
Luego sumamos los valores obtenidos de [tex]\(x\)[/tex], [tex]\(y\)[/tex] y [tex]\(z\)[/tex]:
[tex]\[ x + y + z = 15 + 27 + 39 \][/tex]
Realizando la suma:
[tex]\[ 15 + 27 = 42 \][/tex]
[tex]\[ 42 + 39 = 81 \][/tex]
Por lo tanto, el valor de [tex]\(x + y + z\)[/tex] es:
[tex]\[ \boxed{81} \][/tex]
1. Resolvemos para [tex]\(x\)[/tex]:
[tex]\[ \frac{x}{5} = 3 \implies x = 3 \times 5 = 15 \][/tex]
2. Resolvemos para [tex]\(y\)[/tex]:
[tex]\[ \frac{y}{9} = 3 \implies y = 3 \times 9 = 27 \][/tex]
3. Resolvemos para [tex]\(z\)[/tex]:
[tex]\[ \frac{z}{13} = 3 \implies z = 3 \times 13 = 39 \][/tex]
Luego sumamos los valores obtenidos de [tex]\(x\)[/tex], [tex]\(y\)[/tex] y [tex]\(z\)[/tex]:
[tex]\[ x + y + z = 15 + 27 + 39 \][/tex]
Realizando la suma:
[tex]\[ 15 + 27 = 42 \][/tex]
[tex]\[ 42 + 39 = 81 \][/tex]
Por lo tanto, el valor de [tex]\(x + y + z\)[/tex] es:
[tex]\[ \boxed{81} \][/tex]
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