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Evaluating Expressions

Study each example and determine if the expressions are equivalent. Mark 'Yes' if the statements are equivalent and 'No' if they are not.

1.  3x+y and 3y+x   Yes   No  2.  mn+1 and 1+mn   Yes   No  3.  a+3b and 3b+3a   Yes   No 4.  8+y and 8y+1   Yes   No  5.  5m+y and my+5   Yes   No

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