Respuesta :
Add the like terms :
- [tex] - 4a + ( - 9a)[/tex]
- [tex] - 4a - 9a[/tex]
- [tex] - 13a[/tex]
Answer:
-13a,
Step-by-step explanation:
(-4a)+(-9a)=-13a
You can solve this by breaking down the numbers and variables.
-4+-9=13
You can add the a's after the 13, giving you -13a.