## Three consecutive integers add up to 51. What are these integers *

Question

Three consecutive integers add up to 51. What are these integers *

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2 weeks 2021-11-15T09:21:26+00:00 2 Answers 0 views 0

16+17+18=51

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What three consecutive integers have a sum of 51?

Three Consecutive Integers

Here we will use algebra to find three consecutive integers whose sum is 51. 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 51. Therefore, you can write the equation as follows:

(X) + (X + 1) + (X + 2) = 51

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 = 51

3X + 3 = 51

3X + 3 – 3 = 51 – 3

3X = 48

3X/3 = 48/3

X = 16

Which means that the first number is 16, the second number is 16 + 1 and the third number is 16 + 2. Therefore, three consecutive integers that add up to 51 are 16, 17, and 18.

16 + 17 + 18 = 51

We know our answer is correct because 16 + 17 + 18 equals 51 as displayed above.