alexito2518 alexito2518 05-26-2012 Matemáticas contestada 5y=-2(x+6) 7y=-2(10+3x) 9x=3-15y -5=-7x+8y 4y=-2-3x 5x=3y-13 2x=y+1 2y=3x+1 2x=y+1 2y=3x+1 5x-2y=1 2y=3x=-3