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The Real Number System


A series of free Basic Algebra Lessons: Multiplying and Dividing Real Numbers, Order of Operations, Properties of Real Numbers.

Why a negative times a negative is a positive?
Use the distributive property to understand the products of negative numbers.
How to Divide Real Numbers?
(negative)(negative) = positive
(negative)(positive) = negative

(negative) ÷ (negative) = positive
(negative) ÷ (positive) = negative

Order of Operations
Multiply/Divide (Left to right)
Add/Subtract (Left to right)
Properties of Real Numbers
Commutative Law of Addition
Commutative Law of Multiplication
Associative Law of Addition
Associative Law of Multiplication
Distributive LAw

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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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