alijahhoneycutt12 alijahhoneycutt12
  • 10-02-2021
  • Mathematics
contestada

Please do number 17 for me.

Please do number 17 for me class=

Respuesta :

epicman00900
epicman00900 epicman00900
  • 10-02-2021
Angles in a triangle add to 180 degrees
3x+1+11x-4+5x-7=180
collect like terms
19x-10=180
Add ten to both sides
19x=190
x=10
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