Subject :IMO Class : Class 6
5x - [4y - {7x (3z - 2y) + 4z- 3(x + 3y- 2z)}] =
(A) 9x + 11y
(B) 9x + 7z
(C) 9x- 11y
(D) 9x- 11y + 7z
There is a - sign missing in the question statement