What three consecutive integers have a sum of 7791?

Here we will use algebra to find three consecutive integers whose sum is 7791. 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 7791. Therefore, you can write the equation as follows:

(X) + (X + 1) + (X + 2) = 7791

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 = 7791
3X + 3 = 7791

3X + 3 - 3 = 7791 - 3
3X = 7788

3X/3 = 7788/3
X = 2596

Which means that the first number is 2596, the second number is 2596 + 1 and the third number is 2596 + 2. Therefore, three consecutive integers that add up to 7791 are 2596, 2597, and 2598.

2596 + 2597 + 2598 = 7791

We know our answer is correct because 2596 + 2597 + 2598 equals 7791 as displayed above.

Three Consecutive Integers
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What three consecutive integers have a sum of 7792?
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