solve for b.\n-40 ≥ b + 57

Explanation:

Step1: Subtract 57 from both sides

$$ \begin{align*} -40 - 57&\geq b+57 - 57\ \end{align*} $$

Step2: Calculate the left - hand side

$$ \begin{align*} -40-57&=-(40 + 57)\ &=-97 \end{align*} $$

Answer:

$-97\geq b$ (or $b\leq - 97$)