Math 8: Solve with Variable Terms on Both Sides

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What is a variable in an equation?

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A symbol, often represented by a letter, that stands for an unknown value in an equation.

Tags

CCSS.6.EE.A.2B

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What does it mean to solve an equation?

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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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What is the first step in solving an equation with variable terms on both sides?

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Isolate the variable by moving all terms involving the variable to one side of the equation.

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What is the purpose of combining like terms in an equation?

Back

To simplify the equation and make it easier to solve.

Tags

CCSS.8.EE.C.7B

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What does it mean to isolate the variable?

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To manipulate the equation so that the variable is alone on one side of the equation.

Tags

CCSS.6.EE.B.7

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What is the principle of equality in solving equations?

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If you add, subtract, multiply, or divide both sides of an equation by the same number, the two sides remain equal.

Tags

CCSS.HSA.REI.A.1

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What is a linear equation?

Back

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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