\"\"

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The expression is \"\".

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\"\"                                   (Write the expression)

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\"\"                  (Multiply each side by 0.4)

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\"\"                                (Cancel common terms)

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\"\"                                       (Multiply: \"\")

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The solution is 0.32.\"\"

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Check:

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Substitute \"\" in the expression.

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\"\"                                   (Write the expression)

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\"\"                                 (Substitutre \"\")

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

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The solution was checked.\"\"

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The solution is 0.32.