Respuesta :
x in (-oo:+oo)
x/6 = 4.2 // - 4.2
x/6-4.2 = 0
1/6*x-4.2 = 0 // + 4.2
1/6*x = 4.2 // : 1/6
x = 4.2/1/6
x = 25.1999995
x = 25.1999995
x/6 = 4.2 // - 4.2
x/6-4.2 = 0
1/6*x-4.2 = 0 // + 4.2
1/6*x = 4.2 // : 1/6
x = 4.2/1/6
x = 25.1999995
x = 25.1999995