tag:blogger.com,1999:blog-8779367929427906730.post5246464728849006859..comments2023-11-02T00:32:27.974-07:00Comments on MATEMÁTICA LO MÁXIMO: ECUACIONES CON UNA INCÓGNITA (1)Mg. Jaime Roque y la Dra. Aurora Marrou, Vice Rectora de Investigación de la UNMSM.http://www.blogger.com/profile/13854457861298366970noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-8779367929427906730.post-91857534771292540352009-05-25T22:18:47.741-07:002009-05-25T22:18:47.741-07:00SOLUCION:
kg s/. valor
ace...SOLUCION:<br /><br /> kg s/. valor<br />aceite 1: x 6 6x<br />aceite 2: y 8 8y<br />mezcla 60 7 6x+8y<br /><br /><br />6x+8y<br />------ = 7<br /> 60<br /><br /><br />6 x + 8 y = 7 * 60<br />6 x + 8 y = 420<br /><br />6 x + 8 y = 420..........(i)<br />x + y = 30 ..............(ii) ( -6)<br />----------------------------------<br /><br />6 x + 8 y = 420<br />-6 x - 6 y = - 360-------------------<br /> se elimina las x:<br />2 y = 60<br /> <br /> ----------<br /> y = 30<br /> -----------<br /><br /> x = 30<br /><br />alumna evelyn lopez diaz<br /> i ciclo <br />2009evelynhttps://www.blogger.com/profile/07892885862566799505noreply@blogger.com