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Elimination Using A ddition and Subtraction

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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).