a+b and ab are unique real numbers
The properties that state the order of the addends or factors does not affect the sum of the products. (switch the order of the numbers)
more than numbers can be added or multiplied in groups of two ; the way the numbers are grouped does not matter, (a+b)+c=a+(b+c) (CHANGING THE PARENTHESIS DOES NOT MATTER)
adding 0 to a number does not change the number; multiplying a number by 1 does not change the number
property of opposites
property of reciprocals
if a=b then b=a
If a=b and b=c, then a=c
if a=b, then a+c=b+c
if a=b, then ac=bc
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