Как решить эти уравнения? а) 12-4x=20 б) -3x= две восьмых в) 24x=48 г) 12-100x=0 д) 13-5x=8-2x
А) 12-4x = 20 -4x = 8 x = -2 б) -3x = 2/8 x = -1/8 (x = -0.125) в) 24x = 48 x = 2 г) 12-100x = 0 -100x = -12 x = 3/25 (x = 0.12) д) 13-5x = 8-2x -5x+2x = 8-13 -3x = -5 x = 5/3