Respuesta :

9 + 5w - 14w = 12 - 6

add similar elements : 5w - 14w = -9w

9 - 9w = 12 - 6

subtract : 12 - 6 = 6

9 - 9w = 6

subtract 9 : 9 - 9w - 9 = 6 - 9

-9w = -3

divide by -9 : -9w/9 = -3/-9

answer : w = 1/3

9 + 5w -14w = 12 -6w  

Adding +6w to both sides    9 -3 w = 12  

Subtracting 9 from both sides  -3w = 3

Dividing both sides by -3

w = -1