System of Two Linear Equations with a Solution Directions: Default Functions: Refresh Button: To reset the applet, click the Refresh Button at the top-right corner. Zoom In/Out: Using your scroll wheel, you can zoom in and zoom out of the applets visible area. The screen tends to re-center wherever the mouse cursor is located. Move: Hold the Shift key and then click and hold your primary mouse button to pan around the visible area of the applet. Movable Objects: Moveable Points: Click and drag each point adjust the linear equation. Move Textbox: Click and drag the point to move the textbox if the text is difficult to read. Solution: Click and drag the point to change the solution to the system of the two linear equations.