alexandlover213
alexandlover213 alexandlover213
  • 16-09-2020
  • Mathematics
contestada

x = 25 – 3y
a.
4x + 5y = 9

x 25 3y a 4x 5y 9 class=

Respuesta :

lady24678 lady24678
  • 16-09-2020
x - 25 = -3y
- x - 25 / 3 = y
y = - x - 25 / 3



4x = 9 - 5y
x = 9 - 5y /4
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