Two-Step Equations with Fractions

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What is a two-step equation?

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A two-step equation is an algebraic equation that requires two operations to solve for the variable.

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CCSS.7.EE.B.4A

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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 and all other terms are on the other side.

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CCSS.7.EE.B.4A

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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 eliminate fractions in an equation?

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Multiply every term in the equation by the least common denominator (LCD) to eliminate fractions.

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CCSS.7.EE.B.4A

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The LCD is 6.

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What does it mean to check your solution in an equation?

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To check your solution means to substitute the value back into the original equation to verify that both sides are equal.

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CCSS.8.EE.C.7B

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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 represented by a letter, that stands for an unknown value.

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CCSS.6.EE.A.2B