69.6k views
4 votes
1. What should be added to 2p - q + r to make it p + q - 2r?
-

User Harleypig
by
6.1k points

1 Answer

5 votes

Answer:

-p + 2q - 3r

Explanation:

(p + q - 2r) - (2p - q + r)

= p + q - 2r - 2p + q - r

= -p + 2q - 3r

User ExodusNicholas
by
7.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.