Solve equations and inequalities

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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 one or more variables.

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CCSS.6.EE.A.2C

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What is an inequality?

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An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or not equal to the other.

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CCSS.6.EE.B.8

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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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CCSS.6.EE.B.7

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CCSS.7.EE.B.4A

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CCSS.7.EE.B.4A

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How do you isolate a variable in an equation?

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To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

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CCSS.6.EE.B.7

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CCSS.7.EE.B.4B

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What is a solution set?

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A solution set is the set of all values that satisfy a given equation or inequality.