3076850
3076850
02-05-2019
Mathematics
contestada
solve..........20 = 5x + 10y
Respuesta :
Аноним
Аноним
02-05-2019
5x + 10y = 20
-5x + 20 = 10y
-x/2 + 2 = y
y = 2 - x/2
20 - 10y = 5x
4 - 2y = x
x = -2y + 4
Answer:
x = -2y + 4
y = 2 - x/2
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