Solve for l_r
l_{r}=-\frac{3s}{5}+82
Solve for s
s=\frac{410-5l_{r}}{3}
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5l_{r}=410-3s
Subtract 3s from both sides.
\frac{5l_{r}}{5}=\frac{410-3s}{5}
Divide both sides by 5.
l_{r}=\frac{410-3s}{5}
Dividing by 5 undoes the multiplication by 5.
l_{r}=-\frac{3s}{5}+82
Divide 410-3s by 5.
3s=410-5l_{r}
Subtract 5l_{r} from both sides.
\frac{3s}{3}=\frac{410-5l_{r}}{3}
Divide both sides by 3.
s=\frac{410-5l_{r}}{3}
Dividing by 3 undoes the multiplication by 3.
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