What is the 200^{th} number in the arithmetic sequence: 2, 7, 12, 17, 22, 27, 32, …?

Hint
What is the common difference in this sequence
(ie the difference between any two consecutive
terms)?
How many times do we have to add the common
difference to the first term in order to arrive
at the 200^{th} term?

Check your answer

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