Expression 22: "m" Subscript, 1 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis equals StartFraction, negative 1 Over "m" Subscript, 2 , Baseline , EndFraction left parenthesis, "x" minus "E" Subscript, 1 , Baseline , right parenthesis plus "E" Subscript, 2 , Baselinem1x−C1=−1m2x−E1+E2