So if the addition property is just that adding something to both sides of an equation makes it stay equal, then this is exactly what it is used for.
a = b, so
a+ c = b +c
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x-16=36
The addition property says that if you add the same number (or subtract the same number)from both sides of the eqaution you do not change the equation. So to solve and equation you must get the unknown by itself, so you need to use this property, often along with the multiplication property. For example if X -5 = 3 you can use addition property to add 5 to both sides: X - 5 + 5 = 3 + 5 X = 8
This is the identity property: the additive identity property of zero.
It depends on the equation that is being solved.
The addition of the opposite, to both sides of the equation. keep it equal