Question 273795
{{{-1=-3b^(-1)}}} Start with the given equation.



{{{(-1)/(-3)=b^(-1)}}} Divide both sides by -3



{{{1/3=b^(-1)}}} Reduce.



{{{1/3=1/b^1}}} Rewrite {{{b^(-1)}}} as {{{1/b^1}}}



{{{1/3=1/b}}} Simplify



{{{b=3}}} Cross multiply.



So the solution is {{{b=3}}}