SOLUTION: The sum of three consecutive integers is 72. What is the middle integer ?
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Question 936675: The sum of three consecutive integers is 72. What is the middle integer ?
Found 2 solutions by TimothyLamb, Alan3354:
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
z = y + 1
y = x + 1
x + y + z = 72
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put the system of linear equations into standard form
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y - z = -1
x - y = -1
x + y + z = 72
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = 23
y = 24
z = 25
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Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
72/3 = 24, the middle integer.
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n-1 + n + n+1 = 72
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