Show that the lines represented by `x(a+3b)+y(2a-b)=5a+b` pass through a fixed point for different values of `a` and `b`.

Explanation

To show that the lines represented by the equation \( x(a + 3b) + y(2a - b) = 5a + b \) pass through a fixed point for different values of \( a \) and \( b \), we can follow these steps:

### Step 1: Rewrite the equation
Start with the given equation:
\[ x(a + 3b) + y(2a - b) = 5a + b \]
Rearranging gives:
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