\"\"

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The expression is \"\".

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\"\"                               (Replace x with 5)

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Place value chart for 5 and 4.7.

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\"\"

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Line up the decimal points and draw a line below the numbers.

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\"\"     

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\"\"

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First find the sum of the tenths digit.

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The sum of the tenths digit =\"\".

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\"\"

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\"\"

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Next find the sum of the ones digit.

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The sum of the ones digit =\"\".

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\"\"

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\"\"

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The value of the expression is \"\".