-12x-8y+20

It looks like you have a linear expression: \(-12x - 8y + 20\). If you're preparing for university exams, here are a few things you might consider doing with this expression:

1. Factor the Expression: You can factor out a common factor from the first two terms: \[ -4(3x + 2y) + 20 \] or factor it in a different way if needed, or consolidate the constant term differently.

2. Solve for y: If you're looking to solve for y in terms of x: \[ -8y = 12x - 20 \\ y = -\frac{12}{8}x + \frac{20}{8} \\ y = -\frac{3}{2}x + \frac{5}{2} \]

3. Graph the Equation: If this is to be treated as an equation (e.g., setting it equal to zero), you can graph it by finding the intercepts and plotting the line.

4. Evaluate for Specific Values: You can evaluate this expression for specific values of \(x\) and \(y\).

5. Applications: Think about applications where such linear relationships might arise, such as in economics, physics, or other areas.

Let me know if you need help with a specific aspect of this expression!