How to interpret absolute value notation and solve equations that include absolute values. Examples are linear equations, but the same approach works with non-linear equations.

## Algebra Intro 4: Negative Numbers, Zero, Absolute Values, and Opposites

Negative Numbers Negative numbers are something new and interesting to think about. What do they mean? They arose from changing the order in which we subtracted two numbers. While we usually think of a "difference" by starting our thought process with the larger number, when we fail to do that and try to "take away" …

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