Respuesta :
Since y is being divided by -3, and you want y alone, multiply both sides of the equation by -3.
y/-3 = 1/6
-3 * y/(-3) = -3 * 1/6
y = -3/1 * 1/6
y = -3/6
y = -1/2
y/-3 = 1/6
-3 * y/(-3) = -3 * 1/6
y = -3/1 * 1/6
y = -3/6
y = -1/2