Find the equation whose graph is shown below. Write your answer in standard form. Standard form is $Ax+By=C$, where $A$ is positive, and $A, B$ and $C$ are integers with the greatest common divisor 1.
https://latex.artofproblemsolving.com/3/2/1/3212ecb1d6031b3484ea110f7b61e0e3aba345f7.png
I don't understand how to write out the answer so please write out what the answer would look like; thank you!