Solve for v
v = \frac{216}{31} = 6\frac{30}{31} \approx 6.967741935
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31v-216=0
Combine v and 30v to get 31v.
31v=216
Add 216 to both sides. Anything plus zero gives itself.
v=\frac{216}{31}
Divide both sides by 31.
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