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Published byCandice Gilmore Modified over 9 years ago

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2.2 Solving Two-Step Equations I can solve two-step equations in one variable.

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What is a two-step equation? Requires 2 steps to solve. ◦Involves 2 operations Uses properties of equality and inverse operations to solve. ◦Isolate the variable. Ex:

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How to Solve Identify operations Use inverse operations to “undo” them Undo operations in reverse order Ex: 2x+3 = 15 ◦Multiplication and addition Undo ◦Subtract 3: 2x = 12 ◦Divide by 2: x = 6 Solution: x = 6

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Solving with 2 Terms in the Numerator

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Practice

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Using an Equation as a Model

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Assignment ODDS ONLY P.91 #11-33, 39-45, 51

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