C=+3 since your adding three more onto four
we are given
total number of apples =54
Let's assume each friend receives =x
He kept a apples for himself and gave each of 6 friends an equal number of apples
so, we will get equation as

now, we can solve for x

each friend receives is 9 apples.........Answer
Answer:
<--------------------------------------------->
-5 0 5
Step-by-step explanation:
I did this by finding the absolute value of -5, which would be its opposite seeing as the integer is negative. And once i found this I continued plotting on the graph until I was able to get positive 5.