TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: if | x - 9 | = 3 x , then x = ?

SOLUTION: - 4.

PROBLEM: Problem: by selling an article at rs . 600 , a shopkeeper makes a profit of 25 % . at what price should he sell the article so as to make a loss of 25 % ?

SOLUTION: s . 360

PROBLEM: Problem: the value of a machine depreciates at 20 % per annum . if its present value is rs . 1 , 50,000 , at what price should it be sold after two years such that a profit of rs . 28,000 is made ?

SOLUTION:
124000