solve the inequality and graph its solution.

Answer:
[tex]b \geqslant 7 \: b \leqslant - 7[/tex]
Step-by-step explanation:
[tex]1. \: b \geqslant 7 \\ - b \geqslant 7 \\ 2. \: b \geqslant 7 \\ 3. \: b \leqslant - 7 \\ 4. \: b \geqslant 7 \: \: \: \: b \leqslant - 7[/tex]