Find the equation whose graph is the red line shown below. Write your answer in standard form. (Standard form is \(Ax + Bx = C\) , where \(A\) is positive, \(A\), \(B\), and \(C\) are integers with greatest common divisor 1.)
Here is the graph: https://latex.artofproblemsolving.com/7/4/c/74c5df86b7f00975450d79bdc41cd7a1f92e6039.png