<p><img alt="1. Write a function that solves a linear system Ar-b via elimination and substitution function x - my_linsolve (A, b) where A" src="https://media.cheggcdn.com/media%2F72b%2F72bc385b-04c7-4cb8-b1e2-34efb11bb8b4%2Fphp8nYYKf.png" style="height:282px;width:699px;" aria-describedby="d3f"/></p>1. Write a function that