Linear Equations

4. any number found on the number line
6. the property where each term inside the parenthesis is multiplied by the number outside the parenthesis
9. flip the numerator and denominator
11. terms whose variables and exponents are the same
12. where there is not a value for the variable in an equation that can make it true

1. unknown quantity represented by a letter
2. the number in front of a variable
3. fixed value that does not change in an expression
5. the amount of soultions when any value put in for the variable will make the equation true
7. mathematical phrase with numbers, variables and operators
8. to put an expression in a simpler form
10. opposite