X + 3 = 5

To solve the equation \( x + 3 = 5 \), you need to isolate \( x \). Here are the steps:

1. Subtract 3 from both sides of the equation:

   \[ x + 3 - 3 = 5 - 3 \]

2. This simplifies to:

   \[ x = 2 \]

So the solution is \( x = 2 \).