Igualacion ysustitucion5x - 2y = - 3 2x - y = - 62X - Y = 1 X + Y = 5x - y = 3 2x + 4y = 12x + y = 4 2x - 3y = 3x - 2y = 10 4x + 4y = 4 - 3x + 2y = 2 2X - 2y = - 4?
Igualacion y sustitucion 5x - 2y = - 3 2x - y = - 6 2X - Y = 1 X + Y = 5 x - y = 3 2x + 4y = 12 x + y = 4 2x - 3y = 3 x - 2y = 10 4x + 4y = 4 - 3x + 2y = 2 2X - 2y = - 4.