$\"\"$ $\"\"$

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The equation is $\"\"$ .

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According to division property of equality: Divide each side by 7.

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$\"\"$

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$\"\"$ (Cancel common terms)

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$\"\"$ (Reciprocal of $\"\"$ is $\"\"$ )

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

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The solution is $\"\"$ .