Problem: a number x is multiplied by 7 , and this product is then divided by 3 . if the positive square root of the result of these two operations equals x , what is the value of x if x ≠ 0 ?
Rationale: "sqrt ( 7 x / 3 ) to be perfect square x has to 7 / 3 ans : b"
annotated_formula: divide(7, 3)