Solve the following compound inequality. 6x+18x+7 < 6x+9 Submit your answer by dragging the movable blue points on the number line. For an interval that extends to + or - move the blue points to the right or left end of the number line (shown as a dashed line). You can select whether each endpoint of your chosen interval is open or closed by sliding the respective orange switches up or down. Note that the blue line segment above the number line indicates the interval you have chosen and whether the endpoints are open or closed. Provide your answer below: