One Step Equations

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What is a one-step equation?

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A one-step equation is an algebraic equation that can be solved in a single step by performing the same operation on both sides of the equation.

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CCSS.6.EE.B.7

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x = 12

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CCSS.6.EE.B.7

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What operation would you use to isolate x in the equation: -6x = 30?

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You would divide both sides by -6.

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CCSS.HSA.REI.A.1

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x = 4

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CCSS.6.EE.B.7

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What is the first step to solve the equation: 5n = 30?

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Divide both sides by 5.

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CCSS.6.EE.B.7

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Solve the equation: 5 = f - 2

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f = 7

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CCSS.6.EE.B.7

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

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Isolating a variable means to manipulate the equation so that the variable is on one side by itself.

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CCSS.7.EE.B.4A

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x = 5

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CCSS.6.EE.B.7

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x = 4

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CCSS.6.EE.B.7

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How do you check if your solution to an equation is correct?

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Substitute the solution back into the original equation to see if both sides are equal.

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CCSS.6.EE.B.5