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Harrizon [31]
2 years ago
5

La suma de un número con su mitad es igual a 75. ¿Cuál es ese número? Doy corona porfis

Mathematics
1 answer:
Lesechka [4]2 years ago
4 0

Considerando la definición de una ecuación, el número desconocido es 50.

<h3>Definición de ecuación</h3>

Una ecuación es la igualdad existente entre dos expresiones algebraicas conectadas a través del signo de igualdad en la que figuran uno o varios valores desconocidos, llamadas incógnitas, además de ciertos datos conocidos.

Los miembros de una ecuación son cada una de las expresiones que aparecen a ambos lados del signo igual.

<h3>Número desconocido</h3>

En este caso, "La suma de un número con su mitad es igual a 75" puede ser expresado mediante una ecuación, donde consideras que "x" es la incógnita, que representa el número desconocido.

Teniendo en cuenta que la mitad de un número se calcula dividiendo el número por 2, entonces la ecuación queda expresada como:

x + x÷2= 75

O lo que es lo mismo

x + \frac{1}{2}x= 75

Resolviendo:

\frac{3}{2}x= 75

x= 75 ÷\frac{3}{2}

x= 75×\frac{2}{3}

<u><em>x=50</em></u>

Finalmente, el número desconocido es 50.

Aprende más sobre ecuaciones con estos ejemplos:

brainly.com/question/24581345

brainly.com/question/24585838

brainly.com/question/24603998

brainly.com/question/22694378

#SPJ1

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