Question

WILL GIVE BRAINLIEST!!! Thank youu!!

Answer 1

Answer:

7b+4

Step-by-step explanation:

Answer 2

Combine like terms.

$2 {b}^{2} - 2 {b}^{2} = 0$

$3b - ( - 4b) = 7b$

$- 5 - ( - 9) = 4$

So, the answer is

$7b + 4$