Additive inverses combine to get 0. So, k is -1.4. The sum is 0. Hopefully that will help.
Answer:
y = 7x - 4
just as it says in words
It's not possible nothing but 1 times 5 is the only thing that multiplies to 5 and 1+5 doesn't equal 4
The answer would be a because of the time he is at the gym just add and subtract but the answer is a