Answer:
b=2
Step-by-step explanation:
-9/3+b=-1
-3+b=-1
b=-1-(-3)
b=-1+3
b = 2
[tex]-\frac{9}{3} + b = -1\\b = -1 +\frac{9}{3} \\b = \frac{-3 +9}{3} \\b = \frac{6}{3} \\b = 2[/tex]
