Respuesta :

Answer:

c = 15

Step-by-step explanation:

Because we are given the value of the variable, we can substitute k for 7, giving us the equation c = 7 + 8. Solving the equation will give us the answer of c = 15.

Answer: The answer is 15.

Step-by-step explanation:

1. Add in the value of k

2. Add together the two values

3. The sum of the two values represents what the variable c is equal to