9/x=3/7
+
--------+
/

Предыдущий
вопрос Следующий
вопрос

To solve this equation for x, we need to isolate the variable by multiplying both sides of the equation by x:

9/x = 3/7

9 = 3x/7

Now, cross multiply to solve for x:

9 * 7 = 3x

63 = 3x

Divide both sides by 3:

x = 63/3

x = 21

Therefore, x = 21.