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+ =
------------------------------------------------------------------------- -
=
x = -
+ =
+ =
+ =
= +
=
= 2
y = 1
jd
a+2b=11/12 (kali 12 supaya tdk pecahan)
12a+24b=11
3a+2b= -5/4 (kali 12 supaya koef b sama)
36a+24b=-15
eliminasi 1 ke 2
-24a=26
a=-13/12 maka x=-12/13
substitusi ke 1
12.(-13/12) + 24b = 11
24b=24
b=1 y=1