SOLUTION: find four consecutive numbers whose sum is 78

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Question 275261: find four consecutive numbers whose sum is 78
Answer by user_dude2008(1862) About Me  (Show Source):
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x+(x+1)+(x+2)+(x+3)=78

4x+6=78

4x=72

x=18

Answer: numbers are 18, 19, 20, 21