Combine Like Terms to Solve Equations

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What does it mean to 'combine like terms'?

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Combining like terms means to simplify an expression by adding or subtracting terms that have the same variable raised to the same power.

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How do you isolate a variable in an equation?

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To isolate a variable, you perform inverse operations to get the variable by itself on one side of the equation.

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What does it mean to 'solve an equation'?

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Solving an equation means finding the value(s) of the variable(s) that make the equation true.

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

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

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