Respuestas

  • Usuario de Brainly
2013-11-25T00:04:22+01:00
(x-1) / 4  - (x-5)/36  =    (x+5)/9

[9(x-1) - (x-5)]/36 = 4(x+5)/36

9x-9 - x + 5 = 4x + 20

4x - 4 = 20

x =6