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Verified answer
• 1)2P - (5P + 10)
= 2P - 5P - 10
= -3P - 10
• 2)
5P + 6 - (2P - 1)
= 5P + 6 - 2P + 1
= 3P + 7
• 3)
6P - 7 + (5P - P)
= 6P - 7 + 5P - P
= 10P - 7
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