What is the first term?

Question

tn=5n+7

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Answer 1 · 2018-04-13T04:25:50

#"First term " t_1 = 12#

#t_n = 5n + 7#

#"First Term " t_1 = (5 * 1) + 7, " substituting for n = 1"#

#=> 5 + 7 = 12,