Question

What is :
`7a + 8b + 9a + 4b + b =`

Answer 1

16a + 13b

Explanation:

7a + 9a = 16a

Remember: a number without coefficent is 1

8b + 4b + b = 13b

Answer 2

Answer: 16a + 13b

Step-by-step explanation: combine like terms:

7a + 9a

8b +4b +b

= 16a + 13b