Ibarrakarla
Ibarrakarla
11-02-2017
Mathematics
contestada
y=-4x
6x+y=6
Elimination Method
Respuesta :
apologiabiology
apologiabiology
11-02-2017
I would subsitute but hey, whatever floats your boat
minus y both sides in 1st equation and add to 2nd equation
-4x-y=0
6x+y=6 +
2x+0y=6
2x=6
divide 2
x=3
sub back
y=-4x
y=-4(3)
y=-12
(3,-12) is answer
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