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A quick statement of the property followed by two examples of its use.
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A short demo involving subtracting whole numbers from both sides of an equation. There are two examples.
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An example that is a little more complicated about how to simplify radicals that are being multiplied
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Demonstrates how to rearrange a proportion to isolate a chosen variable. Note that none of the variables are elliminated, simply moved to new positions.
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Factoring quadratics to find the LCD of two fractions in algebra
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This demonstrates testing possible answers to a system of two equations to see whether they are truly answers or not. Note that each answer has to work for both equations, but if it doesn't…
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Describes an algebraic method for finding what you need for your next score to achieve a certain average or mean.
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Another equation with fractions that we eliminate first by multiplying through by the LCD (least common denominator), and after that the rest is live others we've explained.
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Demonstrating why we can "cross muliply" a proportion to solve it, we then do that.
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One type of equation you will have to know how to solve
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Three quick examples that show the order in which we simplify different opertions in arithmetic.
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