SUBTRACT(-2P-2Q+7PQ+10)FROM P-Q+2PQ+10
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Answer:
p -q+2pq+1 -(-2p-2q+7pq+10)
=p -q+2pq+10 +2p+2q-7pq-10
=p+2p +2q-q+2pq -7pq +10-10
=3p+q-5pq+0
=3p+q-5pq
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