denazyo denazyo

17-06-2017
Mathematics

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

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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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17-06-2017

y = -1/3x -2 this is the correct Answer

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