Find the value of p so that the three lines `3x + y + 2 = 0`, `p x + 2 y - 3 = 0`and `2x + y+ 3 = 0`may intersect at one point.

Explanation

To find the value of \( p \) such that the three lines \( 3x + y + 2 = 0 \), \( px + 2y - 3 = 0 \), and \( 2x + y + 3 = 0 \) intersect at one point, we can follow these steps:

### Step 1: Write the equations of the lines
The equations of the lines are:
1. \( L_1: 3x + y + 2 = 0 \)
2. \( L_2: px + 2y - 3 = 0 \)
3. \( L_3: 2x + y + 3 = 0 \)

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