if 5n+2-6×5n+1/13×5n-2×5n+1
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Answer:
5n+2-30n+1/13*5n-10n+1
5n+2-30n+5/13n-10n+1
5n/2-30n+5/13n-10n
5n/1-30n/1+5n/13-10n/1 65n/13-390/13+5n/13-130n/13
-450/13n+2+1 -450/13n+3
-450n/13
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