14. -6p+q +3r + 8 from p - 2q -5r - 8
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Answer:
7p-3q+2r
Step-by-step explanation:
(p-2q-5r-8)-(-6p+q+3r+8)
p-2q-5r-8+6p-q-3r-8
(p+6p)+(-2q-q)+(5r-3r)+(-8-8)
7p+(-3q)+2r+0
7p-3q+2r
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