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5. finding or calculating the value of something.
9. to make the equation easier or to make it less complex
10. inverse: another word of reciprocal
13. of a number is: 1 divided by the number
14. whole number or the quotient of any whole numbers, excluding zero as a denominator

1. Property: states that numbers can be added or multiplied in any order.
2. Term :is a mathematical phrase involving only numbers and one or more operational symbols.
3. s: A strategy for solving systems of equations that include solving for one variable and using that solution to find the other variable.
4. is either a single number or variable, or numbers and variables multiplied together and is separated by addition and subtraction.
6. property :states that you can add or multiply regardless of how the numbers are grouped.
7. a result obtained by dividing one quantity by another.
8. a whole number; a number that is not a fraction.
11. expression: A collection of letters (called variables) and real numbers (called constants) combined using the operations of addition, subtraction, multiplication, division, and exponentiation is called an algebraic expression.
12. of Operations: tells us what order must be used when evaluating a numberical expressions with two or more operations.
15. Inverse: a number or quantity that gives zero when added to another.