Question

Как решить уравнение 9/10-х=5/6

Answer 1

х=9/10-5/6

х=27/30-25/30

х=2/30=1/15

Answer 2

$\frac{9}{10} - x = \frac{5}{6}$

$- x = \frac{5}{6} - \frac{9}{10}$

$- x = \frac{25}{30} - \frac{27}{30}$

$- x = - \frac{2}{30}$

$x = \frac{2}{30}$

$x = \frac{1}{15}$