Solve for B
B=\frac{c+400}{25}
Solve for c
c=25\left(B-16\right)
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c+400=25B
Multiply both sides of the equation by 5.
25B=c+400
Swap sides so that all variable terms are on the left hand side.
\frac{25B}{25}=\frac{c+400}{25}
Divide both sides by 25.
B=\frac{c+400}{25}
Dividing by 25 undoes the multiplication by 25.
B=\frac{c}{25}+16
Divide c+400 by 25.
c+400=25B
Multiply both sides of the equation by 5.
c=25B-400
Subtract 400 from both sides.
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