Answer:
1 =b
Step-by-step explanation:
8 = b - 1 + 8b
Combine like terms
8 = 9b -1
Add 1 to each side
8+1 = 9b-1+1
9 = 9b
Divide each side by 9
9/9 = 9b/9
1
Group like terms
8b + b = 8+ 1
simplify each sides
9b = 9
divide both sides by 9
9b÷9 = 9÷9
cancel out
answer is equal to 1
b = 1
