x + 3y = 8 dan 4x + y = 2 .Metode eliminasi

Jawab:

x+3y = 8 l×1
4x+y = 2 l×3
___________
x+3y = 8
12x+3y = 6
----------------- ---
-11x = 14
x = - 14/11.


x+3y = 8 l×4
4x+y = 2 l×1
___________
4x+12y = 32
4x+y = 12
------------------ ---
11y = 44
y = 4.

Jadi, Penyelesaian ny adl (- 14/11, 4).

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