Answer
$m \lt 10$
Work Step by Step
Distribute 2 to get
$\\\\2m-6+7 \lt 21
\\\\2m+1 \lt 21$.
$\\\\\\$Subtract 1 from both sides to get
$\\\\2m \lt 20$.
$\\\\\\$Divide both sides by 2 to get
$\\\\m \lt 10$.
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