What three consecutive integers have a sum of 5643?

Here we will use algebra to find three consecutive integers whose sum is 5643. 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 5643. Therefore, you can write the equation as follows:

(X) + (X + 1) + (X + 2) = 5643

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 = 5643
3X + 3 = 5643

3X + 3 - 3 = 5643 - 3
3X = 5640

3X/3 = 5640/3
X = 1880

Which means that the first number is 1880, the second number is 1880 + 1 and the third number is 1880 + 2. Therefore, three consecutive integers that add up to 5643 are 1880, 1881, and 1882.

1880 + 1881 + 1882 = 5643

We know our answer is correct because 1880 + 1881 + 1882 equals 5643 as displayed above.

Three Consecutive Integers
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What three consecutive integers have a sum of 5644?
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