Unit 3 Review Solving Equations

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Divide both sides by 6 to isolate the term with k.

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t = 18.

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Subtract 9 from both sides and then divide by -5.

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x = 8.

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What is the definition of a variable in an equation?

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A symbol used to represent an unknown value.

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What does it mean to solve an equation?

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Finding the value of the variable that makes the equation true.

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What is the principle of balancing equations?

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Whatever you do to one side of the equation, you must do to the other side.

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n = 2.

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Subtract 3 from both sides.