Question

x+3
----- =3
х-3
помогите решить

Answer 1

$frac{x+3}{x-3} =3 /*(x-3) \ x+3=3 x-9 \ x-3 x=-9-3 \ -2 x=-6 \ x=3$

Answer 2

(х + 3) : (х -3)  = 3
х + 3  = 3(х -3)
х + 3 = 3х - 9
х - 3х = - 9 - 3
- 2х = - 12
  2х = 12
   х = 6
Проверка:
(6 + 3) : (6 - 3) = 3
   9 : 3 = 3
     3 = 3

Answer 3

спс пмог