Subtract 9pq - 4qr + 5pr from -2pq + 7qr - 4pr
(IN HORIZONTAL METHOD)
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Answer:
7pq+3qr+1pr
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Answer:
9pq - 4qr + 5pr from -2pq + 7qr - 4pr
-2pq + 7qr - 4pr - ( 9pq - 4qr + 5pr )
-2pq + 7qr - 4pr - 9pq + 4qr - 5pr
-2pq - 9pq + 7qr + 4qr - 4pr - 5pr
- 11pq + 11qr - 9pr
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