Question

Please solve for b.

Answer 1

For this one.
$-\frac{9}{3}+b=-1 \ \textgreater \ \mathrm{Divide\:the\:numbers:}\:\frac{9}{3}=3 \ \textgreater \ -3+b=-1$

$\mathrm{Add\:}3\mathrm{\:to\:both\:sides} \ \textgreater \ -3+b+3=-1+3 \ \textgreater \ Simplify \ \textgreater \ b=2$

Hope this helps!