Sylvie finds the solution to the system of equations by graphing. y= $x + 1 and y = -x-1
Which graph shows the solution to Sylvie's system of equations?

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .