If x is the first, or smallest, of three consecutive integers, express the sum of the second integer and the third integer as an algebraic expression containing the variable x.

Question

Mathematics

Kaiya Payne

11 November, 05:38

If x is the first, or smallest, of three consecutive integers, express the sum of the second integer and the third integer as an algebraic expression containing the variable x.

+4

Answers (1)

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George French · Answer 1

Consecutive means (+1) away, so the three consecutive integers are:

x, which is 1st integer

x+1 is the 2nd integer

x+2 is the 3rd integer.

The sum of the 2nd and third integers are

(x+1) + (x+2)

= x + 1 + x + 2

= 2x + 3