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Solve for L
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Solve for P_50
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P_{50}f=fL+\left(\frac{1n}{100}-c_{F}b\right)i
Multiply both sides of the equation by f.
P_{50}f=fL+i\times \frac{1n}{100}-ic_{F}b
Use the distributive property to multiply \frac{1n}{100}-c_{F}b by i.
fL+i\times \frac{1n}{100}-ic_{F}b=P_{50}f
Swap sides so that all variable terms are on the left hand side.
fL-ic_{F}b=P_{50}f-i\times \frac{1n}{100}
Subtract i\times \frac{1n}{100} from both sides.
fL=P_{50}f-i\times \frac{1n}{100}-\left(-ic_{F}b\right)
Subtract -ic_{F}b from both sides.
100fL=100\left(P_{50}f-i\times \frac{1n}{100}\right)-\left(-100ic_{F}b\right)
Multiply both sides of the equation by 100.
100Lf=100\left(P_{50}f-i\times \frac{n}{100}\right)-\left(-100ibc_{F}\right)
Reorder the terms.
10000Lf=10000\left(P_{50}f-i\times \frac{n}{100}\right)-100\times \left(-100i\right)bc_{F}
Multiply both sides of the equation by 100.
10000Lf=10000P_{50}f-10000i\times \frac{n}{100}-100\times \left(-100i\right)bc_{F}
Use the distributive property to multiply 10000 by P_{50}f-i\times \frac{n}{100}.
10000Lf=10000P_{50}f-10000i\times \frac{n}{100}+10000ibc_{F}
Multiply -100 and -100i to get 10000i.
1000000Lf=1000000P_{50}f-10000in+1000000ibc_{F}
Multiply both sides of the equation by 100.
1000000fL=1000000P_{50}f+1000000ibc_{F}-10000in
The equation is in standard form.
\frac{1000000fL}{1000000f}=\frac{1000000P_{50}f+1000000ibc_{F}-10000in}{1000000f}
Divide both sides by 1000000f.
L=\frac{1000000P_{50}f+1000000ibc_{F}-10000in}{1000000f}
Dividing by 1000000f undoes the multiplication by 1000000f.
L=\frac{ibc_{F}-\frac{in}{100}}{f}+P_{50}
Divide 1000000P_{50}f-10000in+1000000ic_{F}b by 1000000f.