Solve for b. -9/3 + b = -1
\(-\frac{9}{3}\) + b = -1Simplify \(-\frac{9}{3}\), which is: -3-3 + b = -1take -3 to the other side-3 (+3) + b = -1 + (3)-3 and + 3 cancels outb = 2Check:\(-\frac{9}{3}\) + (2) = -1-3 + 2 = -1-1 = -1