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11 Cards in this Set
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We can add, subtract multiply or divide anything to one side of the equation as long as...

we do the same to the other side, and the equation will still be equal.


The reflexive property of equality.

just says that any number is equal to itself
a = a 

The symmetric property of equality says

that if a and b are any two numbers and
a = b then b=a 

What does the transitive property say (about three numbers)

that if a, b and c are any three numbers and if
a = c and b = c then a = b 

What is the golden rule of equations?

Whatever you do to one side of an equation, do exactly the same thing to the other side.


What is the "exception" to the golden rule.

It's best not to multiply or divide by zero.


What must we isolate in order to get a true equation?

the "?" or the unknown


What is a arithmetic equation?

an equation that only has numbers


What is a conditional equation?

an equation that has unknowns and is only a true equation if the correct variable is discovered


What is the implied multiplicaiton rule?

When two letters, or a letter and a number are side by side it is implied that they are to be multiplied.


In general, one equation with two unknowns will ususally ...

have more than one right solution.
