The replacement set is
Replace m in with each value in the replacement set
and check whether the equation is true. \
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m \ | \
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| \
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True or False \ | \
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7 \ | \
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False \ | \
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8 \ | \
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False \ | \
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9 \ | \
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True \ \ \ | \
Since m = 9 makes the equation true, the solution of is 9.
The solution set is . \ \