Answer:
b < 11
Explanation:
Step 1: Distribute
3(1 + 2b) + 2 < 71
(3 * 1) + (3 * 2b) + 2 < 71
3 + 6b + 2 < 71
Step 2: Combine like terms
3 + 6b + 2 < 71
5 + 6b < 71
Step 3: Subtract 5 from both sides
5 + 6b - 5 < 71 - 5
6b < 66
Step 4: Divide both sides by 6
6b / 6 < 66 / 6
b < 11
Answer: b < 11