Solving One Variable Equations PRACTICE

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What is a one-variable equation?

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A one-variable equation is an equation that contains only one variable, which can be solved to find the value of that variable.

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What does it mean if an equation has no solution?

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An equation has no solution when there are no values for the variable that can satisfy the equation.

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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 both sides of the equation until the variable is alone on one side.

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No solution.

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Distribute the 3 to both terms inside the parentheses.

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What does it mean if an equation has infinitely many solutions?

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An equation has infinitely many solutions when any value for the variable satisfies the equation.

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What is the process of checking your solution in an equation?

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Substitute the solution back into the original equation to verify that both sides are equal.