Question

find x if 17×16×(-×)=13×(16×17)

Answer 1

eliminate 17 and 16 from both sides
and you will get ur ans
i. e.
x = -13

Answer 2

17 × 16 × ( - x ) = 13 × ( 16 × 17 )

comparing values, we get

- x = 13

x = - 13