## Intermediate Algebra (6th Edition)

$b=\frac{A-5BH}{5H}$
We are given that $A=5H(b+B)$. We can use the distributive property to simplify the right side. $A=5H\times(b+B)=5bH+5BH$ Subtract 5BH from both sides. $A-5BH=5bH$ Divide both sides by 5H. $b=\frac{A-5BH}{5H}$