Inverse operations are operations that are opposite or “undo” each other. For example, addition undoes subtraction and division undoes multiplication. Inverse operations are useful when solving equations.
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When you need to solve equations with variables on both sides of the equals sign, make sure to move all the variables to one side of the equation together. A simple saying that may help you remember this is “get all your x’s to Texas.” In other words, you need to move all the x terms so that they’re on the same side of the equation.
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In this lesson we’ll look at how to solve equations with numerical fractions as coefficients and terms. To clear a fraction from an equation, multiply all of the terms on both sides of the equation by the fraction’s denominator.
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We’ll solve for the variable in a radical equation by isolating the radical, squaring both sides and then using inverse operations.
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