Respuestas

  • Usuario de Brainly
2013-12-11T21:41:03+01:00
**2(x-17)=9x 
2x - 34 = 9x
2x - 9x = 34
-7x = 34
x = -34/7

**x+7=2x-5
2x - x = 7 + 5
x = 12