The image appears to show a math worksheet with a table and some handwritten notes. To better assist you, I'll extract the details and solve any mathematical problems present on the page.

Please allow me a moment to process the contents of the image.Based on the image, the problem is about solving a system of linear equations. Here's the breakdown:

Problem:

You are given a system of linear equations:

$\text{Equation 1: } 2x + y = 12$ $\text{Equation 2: } x + y = 10$

Solution:

We can solve this system using