Remove the brackets
-5a + 9b + 7a combine -5a and 7a
7a - 5a + 9b
2a + 9b Answer
Don't go any further. There is nothing else to do. These are unlike terms and cannot be reduced or combined.
The answer for the first on 8 and the second one is 9
The answer is 6. 49 you welcome :)
If you mean what goes in the blanks, it is 5 for the first empty box and 10 for the second empty box.
Answer:
5+5=10
5x2=10
Together, they equal 20.
Step-by-step explanation: