evie34
evie34 evie34
  • 14-08-2018
  • Mathematics
contestada

This is Algebra I Math. I neeeedd help!!!

This is Algebra I Math I neeeedd help class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 14-08-2018

a + b - c = 180

add both sides by c

a + b - c + c = 180 + c

simplifying

a + b = 180 + c

subtract 180 from both sides

a + b - 180 = 180 + c - 180

simplifying

a + b - 180 = c

Answer

c = a + b - 180

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