Expression 33: "y" equals "m" Subscript, 3 , Baseline left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesisy=m3x−D1
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Expression 34: "y" equals StartFraction, negative 1 Over "m" Subscript, 3 , Baseline , EndFraction left parenthesis, "x" minus "H" Subscript, 1 , Baseline , right parenthesis plus "H" Subscript, 2 , Baseliney=−1m3x−H1+H2
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Expression 35: "m" Subscript, 3 , Baseline left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesis equals StartFraction, negative 1 Over "m" Subscript, 3 , Baseline , EndFraction left parenthesis, "x" minus "H" Subscript, 1 , Baseline , right parenthesis plus "H" Subscript, 2 , Baselinem3x−D1=−1m3x−H1+H2