Multi-Step Equations

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What is a multi-step equation?

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A multi-step equation is an equation that requires more than one step to solve, often involving operations such as addition, subtraction, multiplication, and division.

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CCSS.8.EE.C.7B

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Distribute -4 to a and -5.

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CCSS.8.EE.C.7B

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What does it mean if an equation has no solution?

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It means that there are no values for the variable that will satisfy the equation.

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CCSS.8.EE.C.7A

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No solution.

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CCSS.8.EE.C.7A

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What is an identity in terms of equations?

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An identity is an equation that is true for all values of the variable, resulting in infinite solutions.

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CCSS.8.EE.C.7A

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One solution.

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CCSS.8.EE.C.7A

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CCSS.8.EE.C.7A

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Infinite solutions.

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CCSS.8.EE.C.7A

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What is the purpose of distributing in equations?

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Distributing is used to eliminate parentheses by multiplying each term inside the parentheses by the term outside.

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CCSS.7.EE.A.1

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

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To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.