find the first term of an aritmetic progression whose fifth term is 49 and whose common difference is 13
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find the first term of an aritmetic progression whose fifth term is 49 and whose common difference is 13
find the first term of an aritmetic progression whose fifth term is 49 and whose common difference is 13
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Answer:
-3
49 - 13 = 36 - 13 = 23 - 13 = 10 - 13 = -3
49 - 5th
36 - 4th
23 - 3rd
10 - 2nd
-3 - 1st