Answer
a. 2x + 1
b. 2x + 2
Work Step by Step
a. Two consecutive integers can be expressed by x and x + 1. Their sum is
x + (x + 1) = 2x + 1.
b. Two consecutive odd integers can be expressed by x and x + 2 (since odd integers are 2 units apart). Their sum is
x + (x + 2) = 2x + 2.