What would be the equation for this and the answer

Answer:
The answer is k=61-26
Step-by-step explanation: This is because if you were to subtract 61 from 26 you will get 35. If you take 35 and add it to 26 you will get 61.
Answer:
b,the second one
Step-by-step explanation:
k+26=61
in order to find k you subtract 61 and 26