alexandlover213
alexandlover213
16-09-2020
Mathematics
contestada
x = 25 – 3y
a.
4x + 5y = 9
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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