raaay15 raaay15
  • 13-09-2018
  • Mathematics
contestada

#57 is what I need help on.

57 is what I need help on class=

Respuesta :

hiemma78 hiemma78
  • 13-09-2018
3x+2x+x=180
6x=180
X=30

So: 3x=90
2x=60
X=30
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