Let (x,y) be the point of the locus. Then the equation expressing equidistance from the points (-3, 4) and (0, -3) is= = = 6x - 8y + 25 = 6y + 9 6x - 14y = 9 - 25 6x - 14y = -16 3x - 7y = -8 ANSWER. We get the equation of the straight line 3x - 7y = -8 in the general form.