If the sum of three consecutive multiples of 7 is 771 then biggest multiple is
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7x+7(x+1)+7(x+2)=771
7+7x+7+7x+14=771
28+14x=771
14x=771-28
14x=743
=53
7(53+2)
7*55
385
7+7x+7+7x+14=771
28+14x=771
14x=771-28
14x=743
=53
7(53+2)
7*55
385
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