Which statement about equations and expressions is true? An example of an equation is 4.5 + x = 13.2 because it shows that two expressions are equal.
An example of an expression is 4.5 + x = 13.2 because it shows that two equations are equal.
An example of an equation is 4.5 + x = 13.2 because it is a mathematical phrase represented by numbers, a variable, and operations.
An example of an expression is 4.5 + x = 13.2 because it is a mathematical phrase represented by numbers, a variable, and operations.
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