6q-p-3r from 4p-q+2r-7
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Answer:
-2p +5r+7 is the answer of the question
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Answer:
6q-p-3r-4p-q+2r-7
6q-p-3r-(-q-4p+2r-7)
(6q+q)-(p+4p)-(3r-2r)-7
7q-5p-r-7
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