Question

Решите, пожалуйста.​

Answer 1

$\frac{x - 1}{2} - \frac{x - 1}{4} = \frac{6}{4}$

$2(x - 1) - (x - 1) = 6$

$2x - 2 - x + 1 = 6$

$x - 1 = 6$

$x = 6 + 1$

$x = 7$