Explanation

 Let's solve the equation:

(3/2)x - 5/2 = 1/2

Add 5/2 to both sides:

(3/2)x = 1/2 + 5/2

(3/2)x = 6/2

(3/2)x = 3

Multiply both sides by 2/3:

x = 3 × (2/3)

x = 2