yagolds1 04/10/2013 5x+5y-4x+2=-1 2x+2y+4x+4y=3x+5y=-1 6x+6y=3x=-1-5y substitui 6(-1-5y)+6y=3 x=-1-5(3/-8) -6-30y+6y=3x=-1-15+40 -24y=9x=24 y=9/-24 ---simplificando 3/-8
yagolds1
5x+5y-4x+2=-1 2x+2y+4x+4y=3
x+5y=-1 6x+6y=3
x=-1-5y substitui 6(-1-5y)+6y=3
x=-1-5(3/-8) -6-30y+6y=3
x=-1-15+40 -24y=9
x=24 y=9/-24 ---simplificando 3/-8