Solve for v
v=3
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5v-6=9
Swap sides so that all variable terms are on the left hand side.
5v=9+6
Add 6 to both sides.
5v=15
Add 9 and 6 to get 15.
v=\frac{15}{5}
Divide both sides by 5.
v=3
Divide 15 by 5 to get 3.
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