Lesson 2-3

Lesson 2-3
"Simplifying Variable Expressions"

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Part 1 "Identifying Parts of a V. E."

1. Term = Number or Variables (product), EX:
2. Constant = Number, EX:
3. Coefficient = Number part of a V. Term, EX:
4. Rewrite Sub. as Add. ! A - B = A + ^-B, EX:

     Lesson 1-6 Part 2 "Using Rules to Subtract"
     5a. A-B = A+(-B), 2-5
     5b. A-(-B) = A+B, 2-(-5)

Part 2 "Simplifying Variable Expressions"

6. Simplify verse Solve = Exprs. verse Equa.
7. Deductive Reasoning = Facts → Conc. (Proof)