10.4 Solving Equations

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k = -\frac{8}{3}

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Add 11 to both sides.

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w = -2.

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p = 9.

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x = \frac{1}{3}.

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What does it mean to isolate a variable in an equation?

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To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

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What is the principle of balancing equations?

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The principle states that you can perform the same operation on both sides of an equation without changing its equality.

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Subtract 5 from both sides.

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x = 7.

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x = 3.