ashleyrembert96
ashleyrembert96
17-01-2017
Mathematics
contestada
2x + y = 4
3x - y = 6
Respuesta :
kirstenrewis
kirstenrewis
17-01-2017
y=(1/2)x-1
You have to set both to y and then add. After that you solve for y
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apologiabiology
apologiabiology
17-01-2017
so, just add
2x+y=4
3x-y=6 +
5x+0y=10
5x=10
divide 5
x=2
sub back
2x+y=4
2(2)+y=4
4+y=4
y=0
x=2
y=0
(2,0)
the result of adding the equation is 5x=10
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