  # Algebraic rule  ## Number Patterns

Rule: xn = n (n-1)/2 + 1 Sequence: 1, 2, 4, 7, 11, 16, 22, (That rule looks a bit complicated, but it works) Solution 2: After 1 and 2, add the two previous numbers, plus 1: Rule: xn = xn-1 + xn-2 +

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## Algebraic Properties

Here are a few very handy rules of algebra. These basic rules are useful for everything from figuring out your gas mileage to acing your next math test — or even solving equations from

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## The Formal Rules of Algebra

There are five basic rules of algebra. They are: Commutative Rule of Addition Commutative Rule of Multiplication Associative Rule of Addition Associative Rule of Multiplication Distributive Rule of Multiplication Commutative Rule of Addition

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## How Do You Write a Rule for a Table?

The Formal Rules of Algebra Summary of the formal rules of algebra on the set of real numbers 1. The axioms of equality a = a Reflexive or Identity. If a = b, then b = a. Symmetry. If . a = b.

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