Question

PLEASE ANSWER From the sum of 3x-y-z and -y-z subtract 3x-y-z

Answer 1

Step-by-step explanation:

⇨3x - y - z + ( - y - z )

⇨3x - y - z - y - z

⇨3x - 2y - 2z

Now subtract 3x - 2y - 2z from 3x - y - z

⇨3x - y - z - ( 3x - 2y - 2z )

⇨3x - y - z - 3x + 2y + 2z

⇨y + z

$\textbf{hope this helps}$