5.4B - Algebraic Equations

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What is an algebraic equation?

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How do you solve for a variable in an equation?

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To solve for a variable, isolate the variable on one side of the equation using inverse operations (addition, subtraction, multiplication, division) to maintain equality.

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What does it mean to evaluate an expression?

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Evaluating an expression means to calculate its value by substituting the variables with specific numbers.

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What is the order of operations in mathematics?

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The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered as PEMDAS.

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What equation can be used to find the number of pennies Norah has after spending some?

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If Sara needs 120 grams of protein and each protein bar contains 23 grams, what equation can be used to find the number of bars?

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Front

What is a variable in an algebraic equation?

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