5176986
SISTEMA de
ECUACIONES
- *x + y = 55*
2x + 3y = 140
- MÉTODOS
- SUSTITUCIÓN
- ***x = 55 - y***
2(55 - y) + 3y = 140
110 - 2y + 3y =140
*y = 140 - 110 = 30*
****x = 55 - y****
x = 55 - 30 = 25
- ***x = 55 - y***
2(55 - y) + 3y = 140
110 - 2y + 3y =140
*y = 140 - 110 = 30*
****x = 55 - y****
x = 55 - 30 = 25
- IGUALACIÓN
- *****x = 55 - y*****
*x = (140 - 3y) / 2*
*55 - y = (140 -3y) / 2*
**110-2y=140-3y**
**3y-2y = 140-110**
******y = 30*******
x = 55-30 = 25
- *****x = 55 - y*****
*x = (140 - 3y) / 2*
*55 - y = (140 -3y) / 2*
**110-2y=140-3y**
**3y-2y = 140-110**
******y = 30*******
x = 55-30 = 25
- REDUCCIÓN
- **-2[x + y = 55]**
*-2x - 2y = -110*
*2x + 3y = 140*
***/*+*y = 30****
x=55-y=55-30=25
- **-2[x + y = 55]**
*-2x - 2y = -110*
*2x + 3y = 140*
***/*+*y = 30****
x=55-y=55-30=25
- GRÁFICO
- 3x + 2y = 6
y - 2x = 3
- x=0
y=3
- x=0
y=3
- 3x + 2y = 6
y - 2x = 3
- SUSTITUCIÓN
- MÉTODOS
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