Question

x- { 2x + [ x- (5-x)] -1 = 10}
AYUDA

Answer 1

x - {2x + [x - (5 - x)] -1 = 10} 

x - {2x + x - 5 + x -1 = 10} 

x - 2x - x + 5 - x + 1 = -10

-2x + 5 - x + 1 = -10

-2x - x = -10 - 5 - 1

-3x = -16

x = (-16)/-3

x = 16/3 → respuesta