- 2x +3y =14
3x - y = -14
metodo de sustitucion porfavoooooooor
3x - y = -14
metodo de sustitucion porfavoooooooor
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Respuesta:
x = -4 y = 2
Explicación paso a paso:
Método de sustitución:
- 2x +3y =14
3x - y = -14 => x = -14 +y/3
-2(-14+y/3) +3y = 14
28 - 2y + 9y = 42
7y = 14 => y = 2 x = -4
RPTA: x = -4 y = 2