Respuesta :

3 - 6a = 9 - 6a.....subtract 9 from both sides
3 - 9 - 6a = 9 - 9 - 6a...combine like terms
- 6 - 6a = -6a ....add 6a to both sides
-6 - 6a + 6a = - 6a + 6a...combine like terms
-6 = 0...incorrect....means there is no solution to this