How do I do this? Thanks!

What is the solution of sqrt x+2-15=-3

On a architect's drawing of a house, 1 inche representa 1.5

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0