A wave front is represented by the plane `y=5-x` Find the direction of propagation of wave.

Explanation

To determine the direction of propagation of a wave given the wave front represented by the equation \( y = 5 - x \), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Equation of the Wave Front**:
The wave front is given by the equation:
\[
y = 5 - x
...