REALPEJANDRY83IN REALPEJANDRY83IN Matemáticas contestada 7X-4 = 54.7.15x - 118=-87-12x - 5y = -27x+6y= 271| 7x - 3y = 93x - 2y = -22.5x + 8y = -609x + 8y = 139x + 16 = 17x+9 = 425.8.4y - 3x = 012x + 10= -43x + 5y = 76x - 18y = -853.( 148 - 11y = -296.13) - 8x = 309.24-y=-424x - 5y =-