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Transcript
```Properties of the Real Number
System
FOR ADDITION: The order in which any
two numbers are added does not
change the sum.
FOR MULTIPLICATION: The order in
which any two numbers are
multiplied does not change the
product.
numbers, grouping symbols can be placed
around any 2 numbers without changing
the sum.
FOR MULTIPLICATION: When multiplying 3 or
more numbers, grouping symbols can be
placed around any 2 numbers without
changing the product.
When a number is multiplied to a sum (in
parentheses): multiply each number inside
the parentheses by the number outside.
Examples:
1. 3(x + 5)
2. -3(4x – 6)
3. ½ (6x + 4)
4. -(9x – 3)