catie3
catie3
06-01-2016
Mathematics
contestada
solve y=-3x+5 5x-4y=-3
Respuesta :
Panoyin
Panoyin
06-01-2016
y = -3x + 5
5x - 4(-3x + 5) = -3
5x + 4(3x) - 4(5) = -3
5x + 12x - 20 = -3
17x - 20 = -3
+ 20 + 20
17x = 17
17 17
x = 1
y = -3x + 5
y = -3(1) + 5
y = -3 + 5
y = 2
(x, y) = (1, 2)
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