Solve for d
d=b+8
Solve for b
b=d-8
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-d=-8-b
Subtract b from both sides.
-d=-b-8
The equation is in standard form.
\frac{-d}{-1}=\frac{-b-8}{-1}
Divide both sides by -1.
d=\frac{-b-8}{-1}
Dividing by -1 undoes the multiplication by -1.
d=b+8
Divide -8-b by -1.
b=-8+d
Add d to both sides.
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