Linear equations (one variable)

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What is a linear equation in one variable?

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

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Isolating the variable means rearranging the equation so that the variable is on one side and all other terms are on the other side.

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What is the definition of a coefficient in an equation?

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What does it mean for an equation to be balanced?

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An equation is balanced when both sides have the same value, meaning any operation performed on one side must also be performed on the other side.

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How do you check if your solution to an equation is correct?

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Substitute the solution back into the original equation to see if both sides are equal.