To solve the equation \( 20 + 7k = 8(k + 2) \), we first distribute the 8 to the terms inside the parentheses.
Starting with:
\[ 20 + 7k = 8(k + 2) \]
we apply the distributive property:
\[ 20 + 7k = 8k + 16 \]
Now, we can fill in the blanks in your format:
\[ 20 + 7k = 8k + 16 \]
Now, we can solve for \( k \):
- Subtract \( 7k \) from both sides:
\[ 20 = 8k - 7k + 16 \]
This simplifies to:
\[ 20 = k + 16 \]
- Subtract 16 from both sides:
\[ 20 - 16 = k \]
This gives:
\[ k = 4 \]
Thus, the solution to the equation is \( k = 4 \).