SOLUTION: if 5x-3, x+2 and 3x-11 form an arithmetic progression, find the first term and the 21st term
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Question 618996
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if 5x-3, x+2 and 3x-11 form an arithmetic progression, find the first term and the 21st term
Answer by
ewatrrr(24785)
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Hi,
5x-3, x+2 and 3x-11 form an arithmetic progression..
d = -4x + 5
-6x = -18 , x = 3,
and d = -7
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