Problema Solution
If x is the first, or smallest, of three consecutive even integers, express the sum of the first even integer and the third even integer as an algebraic expression containing the variable x.
Answer provided by our tutors
x = the smallest event integer
x + 2 = the middle (second) event integer
x + 2 + 2 = x + 4 the third event integer
The sum of the first even integer and the third even integer is:
x + (x + 4) = 2x + 4