if | y + 5 | = 8 , what is the sum of all the possible values of y ?
"there will be two cases y + 5 = 8 or y + 5 = - 8 = > y = 3 or y = - 13 sum of both the values will be - 13 + 3 = - 10 answer : e"
add(subtract(8, 5), subtract(negate(8), 5))