Question

(2a+5b-7)+(a-9b-6) need help​

Answer 1

It is the answer shown below

3a-4b-13

Answer 2

`3a-4b-13`

Explanation:

Given:
`(2a+5b-7)+(a-9b-6)`

Since we are adding, there is no real use for the parenthesis. This may help you visualize it better.

`2a+5b-7+a-9b-6`

Combine like terms:

`3a-4b-13`