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What is an algebraic expression?

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An algebraic expression is a mathematical phrase that can include numbers, variables (like x or n), and operations (such as addition, subtraction, multiplication, and division).

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What does the term 'variable' mean in algebra?

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A variable is a symbol, usually a letter, that represents an unknown number or value in an expression or equation.

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What is the difference between a term and an expression?

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A term is a single mathematical entity (like 3x or 5), while an expression is a combination of one or more terms (like 3x + 5).

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How do you translate '3 times a number' into an algebraic expression?

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You can represent '3 times a number' as 3x, where x is the variable representing the unknown number.

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What is the algebraic expression for 'the sum of a number and 5'?

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The expression is x + 5.

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What does 'the difference of 3 times a number and 7' mean in algebra?

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It means to subtract 7 from 3 times a number, represented as 3n - 7.

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What is the algebraic expression for '5 less than twice a number'?

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The expression is 2x - 5.

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What does it mean to simplify an algebraic expression?

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To simplify an algebraic expression means to combine like terms and reduce it to its simplest form.

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What is a coefficient in an algebraic expression?

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A coefficient is a numerical factor that multiplies a variable, such as 3 in the term 3x.