Algebra 1 Worksheets | Word Problems Worksheets - Free Printable

Final Answer:
27

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Explanation:
Let’s solve this step by step.

We are told that the sum of three consecutive numbers is 84.
“Consecutive” means numbers that come one after another, like 5, 6, 7 or 10, 11, 12.

Let’s call the smallest number “x”.
Then the next number is “x + 1”.
And the one after that is “x + 2”.

So, adding them up:
x + (x + 1) + (x + 2) = 84

Now combine like terms:
x + x + x + 1 + 2 = 84
That’s 3x + 3 = 84

Now subtract 3 from both sides:
3x = 81

Now divide both sides by 3:
x = 27

So the smallest number is 27.

Let’s check:
27 + 28 + 29 = 84 → Yes! That’s correct.

So the answer is 27.