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Subtract −7n+2 from 2n−1 .
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Apr 8, 2018
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Subtract −7n+2 from 2n−1 .
Mathematics
middle-school
Mohammad Naji
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2n - 1 - (-7n + 2) =
2n - 1 + 7n - 2 =
9n - 3 <===
Timakro
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Apr 10, 2018
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Timakro
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2n−1 + 7n - 2
= 9n - 3
-------------------
Hackinet
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Apr 12, 2018
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Hackinet
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