Question

Помогите решить уравнение!!! 5/14z - 1 / 3z + 1 / 7z = 1 / 4

Answer 1

$\frac{5}{14} z- \frac{1}{3}z+ \frac{1}{7} z= \frac{1}{4}$
$\frac{15-14+6}{42} z= \frac{1}{4}$
$\frac{7}{42} z= \frac{1}{4}$
$\frac{1}{6} z= \frac{1}{4}$
$z= \frac{1}{4} * \frac{6}{1}$
$z=1 \frac{1}{2}$