Solve One-Step (+/-) Equations

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What is a one-step equation?

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A one-step equation is an equation that can be solved in a single step by performing an operation (addition, subtraction, multiplication, or division) to isolate the variable.

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Subtract 23 from both sides to isolate V.

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

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To isolate a variable means to get the variable by itself on one side of the equation.

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Add 7 to both sides to isolate x.

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What is the importance of doing the same operation to both sides of an equation?

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Doing the same operation to both sides keeps the equation balanced.

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What does it mean to 'solve' an equation?

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To solve an equation means to find the value of the variable that makes the equation true.