Solve for v
v\geq 6
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3v\geq 15+3
Add 3 to both sides.
3v\geq 18
Add 15 and 3 to get 18.
v\geq \frac{18}{3}
Divide both sides by 3. Since 3 is positive, the inequality direction remains the same.
v\geq 6
Divide 18 by 3 to get 6.
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