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This is a wrong problem because the second term is a prime number and one rule in geometric sequence is all prime number will be only the first term and plus, there is one but this is my final conclusion for x 

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oh yeah there is one
i think the second term is 5x+1 not 5x1.
X+2, 5x+1, x+11
x= 1 and -7/8

S10= 3,069

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