2x + 1; 3x + 3; 4x + 5; _;_; find the 20th term, which term is 16x + 29?

Determine which term (I.e.n) in the sequence has the given value at the end of the sequence.
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1 Answer

term n=(n+1)x +(2n-1)

term  20=21x +39

16x+sumthun...n=15 giv 16x+29
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