Question

add the following expression pls answer quickly​

Answer 1

Answer:

9x-3y

Step-by-step explanation:

6x-y + 2x+y = 8x+0

8x+0 + x-3y = 9x-3y

Answer 2

Step-by-step explanation:

$\huge\mathtt{ \color{red}{here \: is \: your \: answer \: mate}} \\ (6x - y) +( 2x + y) + (x - 3y) \\ \longrightarrow \: 6x - y + 2x + y + x - 3y \\ \longrightarrow \: 9x - 3y$