x + y = 3k
x - y = k

The solution of the system shown is _____.

(0, 2k)
(2k, 0)
(2k, k)

Question

x + y = 3k
x - y = k

The solution of the system shown is _____.

(0, 2k)
(2k, 0)
(2k, k)

usukidoll · Answer

use elimination method

midhun.madhu1987 · Answer

Add those 2 equations and y will be eliminated and you get the value of x.

Substitute the value of x in any equation and find y.

Once you get the value of x and y, then the solution will be of the form (x , y)

anonymous · Answer

but what is the answer

midhun.madhu1987 · Answer

am so sorry..... i cant provide the answer...

usukidoll · Answer

no direct answer ing allowed... but we can guide you :)
first add the two equations together. Noticed that a variable will cancel out

anonymous · Answer

why i really need it

usukidoll · Answer

because giving a direct answer is against code of conduct and mods will be issuing warnings. that's what.

anonymous · Answer

mmm okay thanks so how i can do that again

usukidoll · Answer

x+y =3k
x-y=k

add them together.

anonymous · Answer

3k=k

usukidoll · Answer

no...

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