Solving Equations

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What is an equation?

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An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

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CCSS.6.EE.A.2C

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What does it mean to solve an equation?

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To solve an equation means to find the value(s) of the variable(s) that make the equation true.

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CCSS.8.EE.C.7B

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Subtract 4 from both sides to isolate the term with the variable.

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CCSS.7.EE.B.4A

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CCSS.7.EE.B.4A

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What is the purpose of isolating the variable in an equation?

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Isolating the variable helps to simplify the equation and makes it easier to find the solution.

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CCSS.7.EE.B.4A

Front

What is the equation that models Eddie's Electric charges?

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CCSS.6.EE.C.9

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Subtract 11 from both sides.

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CCSS.7.EE.B.4A

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What does it mean to 'add the same number to both sides' of an equation?

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It means to maintain the equality of the equation by performing the same operation on both sides.

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CCSS.6.EE.B.7

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CCSS.7.EE.B.4A

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What is a variable in an equation?

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A variable is a symbol, often a letter, that represents an unknown value in an equation.

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CCSS.6.EE.A.2B