GHHS Solving Equations Unit 1 Exam Review

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Multiply both sides by 4 to eliminate the fraction.

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Multiply both sides by 3z, then rearrange to solve for x.

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x = 15.

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y > 6.

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Distribute -5, then isolate n to find n = -3.

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What is the definition of a variable in algebra?

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A symbol used to represent an unknown value.

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

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To manipulate the equation so that the variable is on one side and all other terms are on the other.

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What is the purpose of using inverse operations in solving equations?

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To undo operations and isolate the variable.

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x = 7.

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What is the definition of an equation?

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A mathematical statement that asserts the equality of two expressions.