Question 1208273

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H=8d-c/b solve for b
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Is that exactly what you really have the way written?  Are any grouping symbols missing?


If you really have just as written then this may be one way:
{{{H-8d=-c/b}}}
{{{b(H-8d)=-c}}}
{{{b=(-c)/(H-8d)}}}
{{{b=c/(8d-H)}}}-----------------It's not the only method, but there is a result.