Resuccion : - 2x + 4y = 73x + 5y = 4Sustitucion : - 2x + 3y = 143x - y = - 14Igualacion :2x + 3y = 2 - 6x + 12y = 1Ayudenme ?
Resuccion : - 2x + 4y = 7 3x + 5y = 4 Sustitucion : - 2x + 3y = 14 3x - y = - 14 Igualacion : 2x + 3y = 2 - 6x + 12y = 1 Ayudenme . No logro resolver esos 3 . Lo mas simple rpta.

