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Solving two step equaionts being careful with the signs.
Additive property of equality with a negative…
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The beginnings of understanding how to solve equations by doing something to both sides, keeping it equal
Additive property of equality with integers
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Adding the same fraction to both sides so the variable is left by itself
Additive property of equality with signed…
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A short demo involving subtracting whole numbers from both sides of an equation. There are two examples.
Additive property of equality with whole numbers
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A demo that only shows a one step process of adding an integer to both sides of an inequality so that the variable stands alone and we can tell what values are true for…
Additive property of inequality with integers
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Explains a set of instructions about how to solve word problems in general, then applies that strategy to a particular example concerning related numbers.
Applying Steps for Problem Solving - Part 1
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Gives a second example of how to apply the general problem solving strategy to a word problem.
Applying Steps for Problem Solving - Part 2
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Identity and inverses are defined and properties that involve both ideas are presented, then some examples are presented that are similar to exercises a student would…
Identifying Identities and Inverses
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Shows how to substitute values for the variable in a simple equation and determine what values, if any, make it equal.
Identifying solutions to a linear equation in…
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Just an exercise in testing whether an ordered pair makes an inequality statement true when plugged in for the variables.
Identifying solutions to a linear inequallity in…
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Demonstrating how to substitute several values for the variable in an inequality to see if they are valid solutions.
Identifying solutions to a two-step linear…
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Two simple examples of how to deal with parentheses in equations.
Introduction to solving an equation with…
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A simpler version of an equation that needs distribution across a set of parenthese as the first step to solving for the variable
Introduction to solving an equation with…
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A short and simple demo about adding like variable terns that are together on one side of the equals sign in an equation.
Introduction to solving an equation with…
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Multiplying both sides of an euqation with fractions by the reciprocal of the coefficient that is with the variable.
Multiplicative property of equality with fractions
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Describes multiplying or dividing both sides of an quationn by the same value in order to get the variable alone on one side
Multiplicative property of equality with integers
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