Problem: if | 5 x - 5 | = 100 , then find the sum of the values of x ?
Rationale: "| 5 x - 5 | = 100 5 x - 5 = 100 or 5 x - 5 = - 100 5 x = 105 or 5 x = - 95 x = 21 or x = - 19 sum = 21 - 19 = 2 answer is c"
annotated_formula: subtract(subtract(subtract(100, 5), add(100, 5)), 5)