Consider the following coordinates:  (-2, -3){“version”:”1.1…

Consider the following coordinates:  (-2, -3){“version”:”1.1″,”math”:”(-2, -3)”} and (x2, 3){“version”:”1.1″,”math”:”(x2, 3)”}.  What must the value of x2{“version”:”1.1″,”math”:”x2″} be to have a slope of 2?