3 years ago

1. What should be added to 2p - q + r to make it p + q - 2r? -

Mathematics

1 answer:

ASHA 777 [7]3 years ago

6 0

Answer:

-p + 2q - 3r

Step-by-step explanation:

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

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

= -p + 2q - 3r

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