Aggie4216
11.02.2021 •
Mathematics
La suma de dos numeros es 14 y el doble del primer numero sumado con el segundo es 23 cuales son los numeros
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Ответ:
Primer número = x = 9
Segundo número = y = 5
Step-by-step explanation:
La suma de dos números es 14 y el doble del primer número sumado con el segundo es 23 ¿cuáles son los números?
Representamos:
Primer número = x
Segundo número = y
La suma de dos números es 14
x + y = 14 Ecuación 1
x = 14 - y
El doble del primer número sumado al segundo es 23
2x + y = 23
Sustituimos 14 - y por x
Por eso:
2 (14 - y) + y = 23
28 - 2 años + y = 23
-y = 23 - 28
-y = -5
y = 5
Resolviendo para x
x = 14 - y
x = 14 - 5
x = 9
Por lo tanto,
Primer número = x = 9
Segundo número = y = 5
Ответ: