Question 90777

     Solve the system by graphing.
x + y = 4
–x + y = 2

      The required eq'n for the graph is y = -x+4   and y = x+2

      {{{ graph( 300, 200, -6, 5, -10, 10, x+2, -x+4) }}} 


       From the graph the solution is (1,3)