Solve each equation -8a - 1=-23
-8a/8 = 228 divided by 22 is 2.75a = -2.75
\(-8a-1=-23 \ \ \ \ \ |add\ 1\\\\ -8a=-22\ \ \ \ \ divide\ by\ -8\\\\ a=\frac{22}{8}=2\frac{3}{4}\\\\ Solution\ is\ a=2\frac{3}{4}.\)