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Published byEdith Henry Modified over 5 years ago

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Goal: Solve linear equations.

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Definitions: Equation: statement in which two expressions are equal. Linear Equation (in one variable): equation that can be written in the form ax = b where a and b are constants and a ≠ 0. Solution (of an equation): if the equation is true when the number is substituted for the variable. Equivalent Equations: equations that have the same solution.

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Properties of Equality

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Example 1: Solve a One-Step Equation Solve x – 8 = 12 Solve y – 7 = 5

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Example 2: Solve a Multi-Step Equation Solve -3x + 6 = -12 Solve -4t + 8 = 40

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Example 3: Solve an Equation with Variables on Both Sides Solve 3p + 7 = 5p - 1 Solve 8b – 16 = 13b + 9

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Checkpoint: Solve Equations

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Example 4: Use the Distributive Property Solve 2(5x – 6) = -4(x – 3) + 4 Solve 4(2x – 9) + 5x = -3 (10 – x)

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Example 5: Solve an Equation with Fractions

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Checkpoint: Solve Equations

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