SOLUTION: Hai sir, please help me on this problem for wht value of K are the numbers x, 2x+K and 3x+6 three consecutive terms of an A.P Thank you

Question 391774: Hai sir, please help me on this problem
for wht value of K are the numbers x, 2x+K and 3x+6 three consecutive terms of an A.P
Thank you
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Hai sir, please help me on this problem
for wht value of K are the numbers x, 2x+K and 3x+6 three consecutive terms of an A.P
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An A.P. has a common difference between consecutive terms.
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Equations:
(2x+K)-x = (3x+6)-(2x+K)
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x+K = x+(6-K)
K = 6-K
2K = 6
K = 3
============
Cheers,
Stan H.
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