\"\"

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The equation is \"\".

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\"\"       (Subtract 1 from each side)

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\"\"             (Apply Additive inverse property: \"\")

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\"\"                   (Apply Additive identity property: \"\")

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\"\"                        (Subtract: \"\")

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\"\"

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\"\"                   (Divide each side by 2)

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\"\"                        (Cancel common terms)

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\"\"                       (Divide: \"\")

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\"\"

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\"\"             (Take square root to each side)

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\"\"            (Use calculator to approximate square root)

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\"\"                (Rounded to nearest hundredth)

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\"\"                     (Cancel square and root)

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\"\"

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The value of a is \"\".