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$m=x_{2}−x_{1}y_{2}−y_{1} $

$m=-3−9-5−11 $

SubTermsSubtract terms

$m=-12-16 $

DivNegNeg$-b-a =ba $

$m=1216 $

ReduceFrac$ba =b/4a/4 $

$m=34 $

b

$m=x_{2}−x_{1}y_{2}−y_{1} $

$m=17−(-13)-14−14 $

SubNeg$a−(-b)=a+b$

$m=17+13-14−14 $

AddSubTermsAdd and subtract terms

$m=30-28 $

ReduceFrac$ba =b/2a/2 $

$m=15-14 $

MoveNegNumToFracPut minus sign in front of fraction

$m=-1514 $

c

$m=x_{2}−x_{1}y_{2}−y_{1} $

$m=11−8-6−(-6) $

SubNeg$a−(-b)=a+b$

$m=11−8-6+6 $

AddSubTermsAdd and subtract terms

$m=30 $

CalcQuotCalculate quotient

$m=0$