What three consecutive integers have a sum of 6450?

Here we will use algebra to find three consecutive integers whose sum is 6450. 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 6450. Therefore, you can write the equation as follows:

(X) + (X + 1) + (X + 2) = 6450

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 = 6450
3X + 3 = 6450

3X + 3 - 3 = 6450 - 3
3X = 6447

3X/3 = 6447/3
X = 2149

Which means that the first number is 2149, the second number is 2149 + 1 and the third number is 2149 + 2. Therefore, three consecutive integers that add up to 6450 are 2149, 2150, and 2151.

2149 + 2150 + 2151 = 6450

We know our answer is correct because 2149 + 2150 + 2151 equals 6450 as displayed above.

Three Consecutive Integers
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What three consecutive integers have a sum of 6451?
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