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4 -2 Solving Addition and Subtraction Equations (pgs 156 - 159)

Learn how to solve equations with variables through step-by-step examples. Recognize uses for variables, keep equations balanced, isolate the variable, and use inverse operations effectively. Important steps and multiple examples provided.

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4 -2 Solving Addition and Subtraction Equations (pgs 156 - 159)

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  1. 4 -2Solving Addition and Subtraction Equations (pgs 156 - 159) Standard: Patterns, Functions and Algebra Indicators: P9: Recognize a variety of uses for variables; represent the equation-solving process

  2. Your goal for every equation… Use the… (or opposite operation) Keep the equation… Show every… To Isolate the variable Inverse operation Balanced Step! Important Steps to Remember!

  3. Example… • Although it seems easy… be sure to keep your equation balanced and always show that work! x + 3 = - 4 -3 - 3 - 7 X =

  4. More Examples 1) w - 4.6 = -10.3 +4.6+ 4.6 w = - 5.7 • y + 3/4 = 5/8 - 3/4-3/4 y = -1/8 (-6/8)

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