Question

x + 9/20 = 3/4

25/36 - x = 5/18

Answer 1

Ответ:

1)

$x + \frac{9}{20} = \frac{3}{4}$

$x = \frac{9}{20} - \frac{3}{4}$

$x = \frac{3}{10}$

2)

$\frac{25}{36} - x = \frac{5}{18}$

$- x = \frac{5}{18} - \frac{25}{36}$

$- x = - \frac{5}{12}$

$x = \frac{5}{12}$