Solve for v
v=3v_{s}
Solve for v_s
v_{s}=\frac{v}{3}
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10v-10v_{s}-5v=5v_{s}
Subtract 5v from both sides.
5v-10v_{s}=5v_{s}
Combine 10v and -5v to get 5v.
5v=5v_{s}+10v_{s}
Add 10v_{s} to both sides.
5v=15v_{s}
Combine 5v_{s} and 10v_{s} to get 15v_{s}.
\frac{5v}{5}=\frac{15v_{s}}{5}
Divide both sides by 5.
v=\frac{15v_{s}}{5}
Dividing by 5 undoes the multiplication by 5.
v=3v_{s}
Divide 15v_{s} by 5.
10v-10v_{s}-5v_{s}=5v
Subtract 5v_{s} from both sides.
10v-15v_{s}=5v
Combine -10v_{s} and -5v_{s} to get -15v_{s}.
-15v_{s}=5v-10v
Subtract 10v from both sides.
-15v_{s}=-5v
Combine 5v and -10v to get -5v.
\frac{-15v_{s}}{-15}=-\frac{5v}{-15}
Divide both sides by -15.
v_{s}=-\frac{5v}{-15}
Dividing by -15 undoes the multiplication by -15.
v_{s}=\frac{v}{3}
Divide -5v by -15.
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