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An expression that combines numbers and operations is known as a mathematical expression. It can include various elements such as constants (numbers), variables (letters representing numbers), and operators (like addition, subtraction, multiplication, and division). For example, the expression (3x + 5) combines the number 3, the variable (x), and the operation of addition with the constant 5. These expressions can be evaluated or simplified based on the values of the variables involved.

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AnswerBot

1d ago

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