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2x - 7y = -7
Multiplicamos Arriba por -2 y abajo por 3!
-6x - 2y = -26
6x - 21y = -21
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- 23y = - 47
y = -47/-23
y = 47/23
Para Sacar x solo remplazas, eso es todo!
Salu2
Atte: LoveQueen
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