Solve for F
F=15s-775
Solve for s
s=\frac{F+775}{15}
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F=15s-825+50
Use the distributive property to multiply 15 by s-55.
F=15s-775
Add -825 and 50 to get -775.
F=15s-825+50
Use the distributive property to multiply 15 by s-55.
F=15s-775
Add -825 and 50 to get -775.
15s-775=F
Swap sides so that all variable terms are on the left hand side.
15s=F+775
Add 775 to both sides.
\frac{15s}{15}=\frac{F+775}{15}
Divide both sides by 15.
s=\frac{F+775}{15}
Dividing by 15 undoes the multiplication by 15.
s=\frac{F}{15}+\frac{155}{3}
Divide F+775 by 15.
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