To solve the equation: X - | (2 / 3) x + 1 | = 1, use the equation of one variable,

To solve the equation: X - | (2 / 3) x + 1 | = 1, use the equation of one variable,

X-1 = | (2 / 3) x + 1 |, obviously x > 1, then [(2 / 3) x + 1] > 1, so X-1 = (2 / 3) x + 1, x = 6