k = 4
Step-by-step explanation:
To solve the equation 20 + 7k = 8(k + 2) for k, follow these steps:
1. Distribute the 8 on the right side:
20 + 7k = 8k + 16
2. Subtract 7k from both sides to isolate the variable:
20 = 1k + 16
3. Subtract 16 from both sides:
4 = 1k
Therefore, the solution is k = 4.
