Introduction to Equations

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What is an equation?

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

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CCSS.6.EE.A.4

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What does the variable 's' represent in the equation 120 = 5s?

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The variable 's' represents the value that, when multiplied by 5, equals 120.

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CCSS.6.EE.B.6

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The first step is to subtract 25 from both sides of the equation.

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CCSS.6.EE.B.7

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What does the equation 6b = 60 represent?

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It represents the total cost of 6 binders, where 'b' is the cost of each binder.

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CCSS.6.EE.B.7

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You subtract 25 from both sides to find that b = 50.

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CCSS.6.EE.B.7

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To find 'h', divide both sides by 7.25.

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CCSS.6.EE.B.7

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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 of the variable that makes the equation true.

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CCSS.7.EE.B.4A

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What is the purpose of using variables in equations?

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Variables are used to represent unknown values that we want to find.

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CCSS.6.EE.B.6

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What is the equation for calculating total earnings based on hourly wage?

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The equation is: Total Earnings = Hourly Wage × Hours Worked.

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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To find 'h', add 7.25 to both sides.

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CCSS.6.EE.B.7