What three consecutive integers have a sum of 5160?

Here we will use algebra to find three consecutive integers whose sum is 5160. We start by assigning X to the first integer. Since they are consecutive, it means that the 2nd number will be X + 1 and the 3rd number will be X + 2 and they should all add up to 5160. Therefore, you can write the equation as follows:

(X) + (X + 1) + (X + 2) = 5160

To solve for X, you first add the integers together and the X variables together. Then you subtract three from each side, followed by dividing by 3 on each side. Here is the work to show our math:

X + X + 1 + X + 2 = 5160
3X + 3 = 5160

3X + 3 - 3 = 5160 - 3
3X = 5157

3X/3 = 5157/3
X = 1719

Which means that the first number is 1719, the second number is 1719 + 1 and the third number is 1719 + 2. Therefore, three consecutive integers that add up to 5160 are 1719, 1720, and 1721.

1719 + 1720 + 1721 = 5160

We know our answer is correct because 1719 + 1720 + 1721 equals 5160 as displayed above.

Three Consecutive Integers
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What three consecutive integers have a sum of 5161?
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