Question

X - 1 X + 1=
___ _ ______ = 1
2. 3

Answer 1

$\frac{x - 1}{2} - \frac{x + 1}{3} = 1 \: \: \: |6 \\ 3 \times (x - 1) - 2 \times (x + 1) = 6 \\ 3x - 3 - 2x - 2 = 6 \\ 3x - 2x = 6 + 3 + 2 \\ x = 11.$

Ответ : х = 11.

Удачи)))