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3(4x-3y=2)
-------
12x+16y=56
12x-9y=6
--------------eliminasi x
25y = 50
y=50/25
y = 2
subtitusi->
3x+4y=14
3x+4(2)=14
3x+8=14
3x=14-8
3x=6
x=6/3
x=2
3x+4y=14 ×4 ----> 12x+16y=56
4x-3y=2 x3 ----> 12x- 9y=6
12x+16y=56
12x- 9y=6
----------- - (kurangkan)
25y=50
y=50/25
y=2
subtitusi
3x+4y=14
3x+4.2=14
3x+8=14
3x= 14-8
x= 6/3
x= 2
jd, x=2, y=2