$$ \begin{aligned} 44 &= -11b+33&& \text{ swap the left and right side of the equation } \\[1 em]-11b+33 &= 44&& \text{ move 33 to the right } \\[1 em]-11b &= 44-33&& \\[1 em]-11b &= 11&& \text{ divide both sides by $ -11 $ } \\[1 em]b &= -\frac{11}{11}&& \\[1 em]b &= -1&& \\[1 em] \end{aligned} $$