See: -
Mentally &/or Graphically Solve Systems w/Appropriate Vocabulary & Possible Solutions
- Use Linear Combination (the Addition Method)
to Solve Systems of Equations and Inequalities
-- Gives instructions and examples.
- Solve Graphically w/Planes &Pencil (Includes Answers)
- Solver (Using Web Page)
- By Linear Combination (Adding Lines)
- By Substitution (Expression Swapping)
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