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Método de igualación 2x2

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Método de igualación 2x2

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Resolución por igualación (sistema 2x2)

Created by

MARTINEZ TRUJILLO MARIA JOSE
MARTINEZ TRUJILLO MARIA JOSE
Mexico
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Método de igualación 2x2

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Método de igualación 2x2
 

Método de igualación 2x2Online version

Resolución por igualación (sistema 2x2)

by MARTINEZ TRUJILLO MARIA JOSE
1

¿Cuál es el primer paso para resolver un sistema de ecuaciones de 2x2 por el método de igualación?

2

El método de igualación consiste en:

3

Si al resolver un sistema de ecuaciones de 2x2 sustituyes los valores obtenidos en sus 2 ecuaciones originales y obtienes dos igualdades como las siguientes 5=5; 3=3, significa que: 

4

Gráficamente, la solución de un sistema 2x2 es:

5

Resuelve por igualación: x + y = 6 ; x - y = 2

6

Resuelve por igualación: 2x + y = 9 ; y = x + 3

7

¿Qué sistema es incompatible?

8

Si despejas "y" de 3x - y = 4, obtienes:

9

Si al resolver un sistema de ecuaciones y comprobar una ecuación llegas a 0=8. El sistema es:

10

¿Cuál variable conviene despejar en este sistema para evitar fracciones? 2x + 3y = 12 ; "x-3y=1"

Explicación

Razón: Contradicción = no hay solución

 
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