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the sum of three consecutive numbers is eighteen. Write an expression describing the equation and solve the state of the three...Asked by Erica
the sum of three consecutive numbers is eighteen. Write an expression describing the equation and solve the state of the three numbers
Answers
Answered by
John
n = 1st
n+1 = 2nd
n+2 = 3rd
n+n+1+n+2 = 18
3n + 3 = 18
Can you find n?
Once you substitute the number for n to find the three numbers listed above. Then add them up to be sure that they do add to 18.
n+1 = 2nd
n+2 = 3rd
n+n+1+n+2 = 18
3n + 3 = 18
Can you find n?
Once you substitute the number for n to find the three numbers listed above. Then add them up to be sure that they do add to 18.
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