Question

4x - (2x -1) + x = 2x - (2 + x) - x

Answer 1

Explicación paso a paso:

$4x - 2x +1 + x = 2x - 2 - x - x \\ 4x - 2x - 2x + x + x + x = - 2 -1 \\ 3x = - 2 -1\\ x = \frac{ - 3}{3}$