Question

х+17/18=5/7 (В дробях)

Answer 1

Ответ:

$x+\frac{17}{18} =\frac{5}{7}\\\\x = \frac{5}{7}^{18} - \frac{17}{18}^{7} =\frac{5*18-17*7}{126} = \frac{90-119}{126} = -\frac{29}{126}$