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Transitive property of equality
symmetric property of equality
Addition Property of Equality (APOE)
Without an equality sign it is not an equation.
Isolate the variable. Get it by itself. 9+11x=89+x 9+11x-1x=89+x-1x Subtraction property of equality 9+10x=89 9+10x-9=89-9 subtraction property of equality 10x=80 x=8 division property of equality.
Transitive property of equality
symmetric property of equality
Addition Property of Equality (APOE)
it is where A plus B= B+a
Commutative property (Abelian property) of addition.
It is the commutative property as well as the associative property. Without the second, the equality need not hold.
Equality
6z+28=12z+10 6z-12z=10-28 addition property of equality. -6z=-18 simplification z=3 multiplication property of equality.
Without any equality signs the given terms can't be considered to be equations.
Without any equality signs the given terms can't be considered to be equations.
Substitution property.
Without an equality sign it is not an equation.