Respuestas

2012-08-25T05:48:48+02:00

Z=4 poruqe 4(z-1)=3z, 7y-4y=-12, y=-4, -9-5=4x-3x, x=-14, 2x+3x-4=11, x=16/5, 5x(x-2)=6, 5x2-10x=6, 5x2-10x-6=0, x=50+-R55/5, 4X+5=17-2X, 6X=12, X=2; 3X-12-6Y+10=-20,

-18=3X-6Y, -6=X-2Y