14. -6p+q +31 +8 from p-2q -5r - 8
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p - 2q - 5r - 8 - ( - 6p + q + 31 + 8 )
p - 2q - 5r - 8 + 6p - q - 31 - 8
p + 6p - 2q - q - 5r - 8 - 31 - 8
7p - 3q - 5r - 47
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