What three consecutive integers have a sum of 9963?

Here we will use algebra to find three consecutive integers whose sum is 9963. 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 9963. Therefore, you can write the equation as follows:

(X) + (X + 1) + (X + 2) = 9963

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 = 9963
3X + 3 = 9963

3X + 3 - 3 = 9963 - 3
3X = 9960

3X/3 = 9960/3
X = 3320

Which means that the first number is 3320, the second number is 3320 + 1 and the third number is 3320 + 2. Therefore, three consecutive integers that add up to 9963 are 3320, 3321, and 3322.

3320 + 3321 + 3322 = 9963

We know our answer is correct because 3320 + 3321 + 3322 equals 9963 as displayed above.

Three Consecutive Integers
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What three consecutive integers have a sum of 9964?
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