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