Question

Помогите пожалуйста

Answer 1

$(\frac{17}{39} - x) + \frac{5}{39} = \frac{14}{39} \\\\\frac{17}{39} - x + \frac{5}{39} = \frac{14}{39} \\\\(\frac{17}{39} + \frac{5}{39} ) - x = \frac{14}{39} \\\\\frac{22}{39} - x = \frac{14}{39} \\\\22 - 39x = 14\\-39x = 14 - 22\\-39x = -8\\x = (-8) / (-39)\\\\x = \frac{8}{39}$