# Chapter 1: 1-4 Solving Equations

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1. Vocabulary Terms
# of terms= 5
• Vocabulary Terms
• # of terms= 5
2. What does the term Equation mean?
a statement that two expressions are equal.
3. What does the term Solution of a Equation mean?
A number that makes the equation true.
4. What does the term Inverse Operations mean?
Are operations that "undo" or cancel each other.
5. What does the term Identity mean?
An equation that is true for every value of the variable.
6. What does the term Literal Equation mean?
An equation that uses at least two different letters as variables.
7. Properties - Properties of Equality
• Property:
• Definition:
• Example:
8. Property- Reflexive
• Definition: a=a
• Example: 5=5
9. Property- Symmetric
• Definition: If a=b, then a=c
• Example: If =0.5, then 0.5=
10. Property- Transitive
• Definition: If a=b & b=c, then a=c
• Example: If 2.5= 1 & 1=, then 2.5=
11. Property- Substitution
• Definition: If a=b, then you can replace a with b & vice versa
• Example: If a=b & 9+a=15, then 9+b=15