The fourth term of a sequence is 39. The term-to-term rule is add 7'. Work out the first term of the sequence.
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Answer:
18
Explanation:
Fourth term of sequence - 39
Term to term rule - Add 7
Term to term rule reversely - Subtract 7
Third term - 39-7 = 32
Second Term - 32-7 = 25
First Term- 25-7 = 18
∴ The first term of the sequence is 18
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