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Which property of equality is shown below?$\newline$If: $-7 + t = u$$\newline$Then: $-7 + t + 29 = u + 29$$\newline$Choices:$\newline$(A) Addition Property of Equality$\newline$(B) Subtraction Property of Equality$\newline$(C) Multiplication Property of Equality$\newline$(D) Division Property of Equality