Review for 8.4 Flashcard: Solving Equations

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Subtract 4x from each side.

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x = 25

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Solve the equation: -30 - 5x = 120

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x = -30

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m = 3

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What does it mean if an equation is true for all values?

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It means that any value substituted into the equation will satisfy it.

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True for all values.

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What is the purpose of isolating the variable in an equation?

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To find the value of the variable that makes the equation true.

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What is a linear equation?

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What does it mean to balance an equation?

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To keep both sides of the equation equal by performing the same operation on both sides.

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What is the solution to an equation?

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The value(s) of the variable that make the equation true.