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Now intuitively, the equal sign between the two equations should imply points where the y values of both graphs are the same - these would be the points of intersection of the two graphs shown above, and what they mean by the 'solutions' is that they want the x values for the two points of intersection.
So in layman's terms, just find the x coordinates of the 2 points where the graphs cross each other and you should be fine for the rest of the question :)