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# Elimination Using A ddition and Subtraction - PowerPoint PPT Presentation

Elimination Using A ddition and Subtraction. Lesson 6-3: Elimination Using Addition and Subtraction SOL A.4e. Objectives. Solve systems of equations by using elimination with addition. Solve systems of equations by using elimination with subtraction. Vocabulary!. Elimination:

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### Elimination Using Addition and Subtraction

Lesson 6-3: Elimination Using Addition and Subtraction

SOL A.4e

• Solve systems of equations by using elimination with addition.

• Solve systems of equations by using elimination with subtraction.

• Elimination:

• The use of addition or subtraction to eliminate one variable and solve a system of equations.

*When the coefficients of a variable are the same, subtracting, the equations will eliminate the variable. When the coefficients are opposites, adding the equations will eliminate the variable.

• Page 351 – 352 (2 – 22 even).