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Find the common difference of the arithmetic sequence -2, -1 4/5, -1 3/5, -1 2/5
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Find the common difference of the arithmetic sequence -2, -1 4/5, -1 3/5, -1 2/5

User Erik Bergsten
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+1/5 every time. If you flip the signs, it's easier than dealing with negatives. So instead, try saying 2 minus what gives me a positive 1 4/5? A negative 1/5. Then flip the sign back to answer. So +1/5

User GGAnderson
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