15x + ( - 6x + 5) - 2 - ( - x + 3) = - (7x + 23) - x + (3 - 2x)3x + [ - 5x - (x + 3)] = 8x + ( - 5x - 9)16x - [3x - (6 - 9x)] = 30x + [ - (3x + 2) - (x + 3)]?
15x + ( - 6x + 5) - 2 - ( - x + 3) = - (7x + 23) - x + (3 - 2x) 3x + [ - 5x - (x + 3)] = 8x + ( - 5x - 9) 16x - [3x - (6 - 9x)] = 30x + [ - (3x + 2) - (x + 3)].