Simplify: 12a4 + (-29a4)
Enter the original expression if it cannot be
simplified.

a orange at the grocery store idk what other product that could be

12r - 8 - 12

you have to combine like terms. below i have bolded the like terms:

12r - 8 - 12

together it combines to:

12r - 20

hope this !

the train arrives at 20: 27 hope i