if | 5 x - 20 | = 100 , then find the sum of the values of x ?
"| 5 x - 20 | = 100 5 x - 20 = 100 or 5 x - 20 = - 100 5 x = 120 or 5 x = - 80 x = 24 or x = - 16 sum = 24 - 16 = 8 answer is c"
subtract(subtract(subtract(100, 20), add(100, 20)), 20)