Question

Suprime signos de agrupacion. Luego reduce tetminos semejantes

Answer 1

$(2x - (3x + (2x - x))) = \\ (2x -(3x + 2x - x)) = \\ (2x - 3x - 2x + x) = \\ 3x - 5x = - 2x$
$- ((4x - 3x) + 6x) = \\ - (4x - 3x + 6x) = \\ - 4x + 3x - 6x = \\ - 7x$