Point R is on line segment start overline, Q, S, end overline
QS
. Given Q, S, equals, 5, x, minus, 2, commaQS=5x−2, Q, R, equals, 3, x, minus, 6, commaQR=3x−6, and R, S, equals, 4, x, minus, 2, commaRS=4x−2, determine the numerical length of start overline, R, S, end overline, .
RS
.