To solve the inequality \( x + 15 \geq 3 \), follow these steps:
- Subtract 15 from both sides of the inequality: \[ x + 15 - 15 \geq 3 - 15 \] This simplifies to: \[ x \geq -12 \]
Therefore, the solution to the inequality, with \( x \) coming first, is: \[ x \geq -12 \]