Solving One Step Equations - Addition and Subtraction

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Add 16 to both sides.

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True.

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-9.

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21.

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False.

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What is the principle of solving one-step equations?

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To isolate the variable by performing the same operation on both sides of the equation.

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Subtract 5 from both sides.

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13.

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Subtract 8 from both sides.

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2.