Respuesta:
8x+14y= 54
Explicación paso a paso:
5x+6y= 20
3x+8y= 34
5x+3x+6y+8y= 20+34
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Respuesta:
8x+14y= 54
Explicación paso a paso:
5x+6y= 20
3x+8y= 34
5x+3x+6y+8y= 20+34
8x+14y= 54