Respuestas

2012-09-26T05:22:23+02:00

3(p+2)=2p+5

p=-1¿_?

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¡La mejor respuesta!
2012-09-26T07:00:19+02:00

3(p+2)=2p+5

3p+6=2p+5

3p-2p=5-6

p=-1