Select the correct answer from each drop-down menu.
in the figure, cd = ef and ab = ce complete the statements to prove that ab=df.
cd + de = ef + de by the
ce = cd+de and df= ef
property of equality
addition
subtraction
substitution
transitive
property of equality
ce = df by the
given, ab= ce and ce = df implies ab = df by the
property of equality.
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