Point I is on line segment start overline, H, J, end overline HJ . Given H, I, equals, 2, x, commaHI=2x, H, J, equals, 4, x, commaHJ=4x, and I, J, equals, 4, x, minus, 10, commaIJ=4x−10, determine the numerical length of start overline, I, J, end overline, . IJ .