Writing Algebraic Expressions

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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, and operation symbols. For example, 2x + 3 is an algebraic expression.

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What does it mean to add a number to another number in algebraic terms?

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Adding a number to another number can be represented as 'n + 19', where 'n' is the variable representing the unknown number.

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How do you represent the product of a number and a constant in algebra?

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The product of a number 'x' and a constant '8' is represented as '8x'.

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What does it mean to decrease a number by a certain value in algebra?

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Decreasing a number 'n' by 12 is represented as 'n - 12'.

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How do you express '14 less than a number divided by 3' in algebraic terms?

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What is the algebraic expression for 'the total of twice a number and six'?

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This is represented as '2x + 6', where 'x' is the number.

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What is a variable in algebra?

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

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What does the term 'coefficient' mean in algebra?

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A coefficient is a numerical factor in a term of an algebraic expression. For example, in '3x', '3' is the coefficient.

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How do you represent subtraction in algebraic expressions?

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Subtraction can be represented by using the minus sign (-). For example, 'x - 5' means 'x decreased by 5'.

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What is the difference between an equation and an expression?

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An equation states that two expressions are equal, while an expression is a combination of numbers, variables, and operations without an equality sign.