Seudónimo
Seudónimo
27-03-2016
Mathematics
contestada
graph 3x+4y=32 and x-4y=-16
Respuesta :
Panoyin
Panoyin
27-03-2016
3x + 4y = 32
x - 4y = -16
4x = 16
4 4
x = 4
x - 4y = -16
4 - 4y = -16
- 4 - 4
-4y = -20
-4 -4
y = 5
(x, y) = (4, 5)
Red: 3x + 4y = 32
Blue: x - 4y = -16
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