Math 8: Solve with Variable Terms on Both Sides

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What is a variable in an equation?

Back

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

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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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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.

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What does it mean to isolate the variable?

Back

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

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What is the principle of equality in solving equations?

Back

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

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What is a linear equation?

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