12. 17g + 149-69 +g =

13. 13 + 12 -12 + 13x =

14. 17s - 3s + 3s =

15. 14t - 12t + t =

(Directions:simplify by combining like terms in each of the following expressions)

I hope you guys can help i really appreciate it
(Offering 15 points)

Respuesta :

Answer:

12. 18g+80

13. 13x+13

14. 17s

15. 3t

Step-by-step explanation:

On each you just combine the like terms and simplify the equations.  

(Add/subtract all of the common numbers)