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$\"\"$

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The expression is $\"\"$ .

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$\"\"$ (Substitute b = 0.3, c = $\"\"$ )

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

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$\"\"$

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$\"\"$ (Using multiple inverse: $\"\"$ )

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

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

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

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$\"\"$

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The value of the expression is 7

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