[tex]27 - 2b \geqslant - 6[/tex]
subtract 27 from both sides.
[tex] - 2b \geqslant - 33[/tex]
divide by negative two
[tex]b \leqslant 16.5[/tex]
There's this super cool rule in math where if you are dealing with inequalities, and you divide both sides by a negative, you have to flip the sign. We do that above