Point K is on line segment start overline, J, L, end overline JL . Given K, L, equals, 2, x, minus, 2, commaKL=2x−2, J, L, equals, 4, x, plus, 9, commaJL=4x 9, and J, K, equals, 5, x, plus, 2, commaJK=5x 2, determine the numerical length of start overline, J, L, end overline, . JL .