denazyo denazyo
  • 17-06-2017
  • Mathematics
contestada

What is the solution of this system of linear equations? 3y = x + 6 y – x = 3

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ghanami
ghanami ghanami
  • 17-06-2017
hello :
3y = x + 6 ...(1)
y – x = 3...(2)
by (2) : y = x+3...(*)
subsct in (1) :
3(x+3) = x+6
3x-x= -9+6
2x= -3
x=-3/2
subsct in (*) : y =-3/2 +3 =3/2
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dgrape
dgrape dgrape
  • 17-06-2017
y = -1/3x -2 this is the correct Answer
Answer Link

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