xjawynne4561 xjawynne4561
  • 11-10-2021
  • Mathematics
contestada

Help me please I do not understand it.

Help me please I do not understand it class=

Respuesta :

oakleyhaskell
oakleyhaskell oakleyhaskell
  • 11-10-2021
6x - 11 + 15x + 2 = 180

21x - 9 = 180

21x = 189

x = 9

—

D = 15(9) + 2

D = 135 + 2

D = 137
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