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14-05-2018
Mathematics

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Nick thought of a counting number, and then he added the next counting number to it. He got the sum of 79. What was Nick's number?

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coulmanemily coulmanemily

14-05-2018

x + x+1 = 79
2x + 1 - 1 = 79 - 1
2x = 78
2x/2 = 78/2
x=39
Nick's number was 39

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