Solve by elimination method:
x-2y-1=0
3x-y-17=0
Please give a clear answer, I don't get it.
Answers
Answered by
1
Answer:
answer the second sum is the correct answer
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Answered by
2
Answer:
(i) x-2y-1=0
=x-2y=1 .. x 3
= 3x -6y =3.. (i)
(ii) 3x -y-17=0
3x-y =17 .. (ii)
adding equation (i) and (ii)
3x -6y =3
3x- y = 17
=
-5y =20.
y =-4
3x -6y =3
3x -6 x -4 = 3
3x +24 =3
3x = -21
x = -7
hope it helps you..
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