Properties of Equality
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| Addition Property of Equality | You can add the same number to both sides of an equation, and the statement will be true.
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| Addition Property of Equality | -3 + x = 5
+3 +3
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x = 8
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| Subtraction Property of Equality | You can subtract the same number from both sides of the equation, and the statement will be true.
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| Subtraction Property of Equality | x + 7 = 14
-7 -7
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x = 7
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| Multiplication Property of Equality | x/6 = 3
6 * x/6 = 3 * 6
x = 18
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| Multiplication Property of Equality | you can multiply both sides of an equation by the same number, and the statement will still be true.
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| Division Property of Equality | You can divide both sides of an equation by the same nonzero number, and the statement will be true
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| Division Property of Equality | 6x = 36
6x/6 = 36/6
x = 6
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| Additive inverse | The opposite of a number. Two numbers are additive inverses if their sum is zero.
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| -5 | What is the additive inverse of 5?
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| associative property of addition | For all numbers a,b, and c (a+b) +c = a + (b + c)
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| associative property of multiplication | For all numbers a, b and c. (a x b) x c = a x (b x c)
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| commutative property of addition | Name the property. 3+4 = 4 + 3
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| commutative property of multiplication | Name the property. 3(12) = 12(3)
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| Distributive property | What property is used below?
3(4+5) = 3(4) + 3(5)
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| Multiplicative inverse | the reciprocal of a number
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| 1/5 | What is the multiplicative inverse of 5?
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Created by:
marbrown
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