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Verified answer
Materi : SPLDVMetode Eliminasi
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2x - 3y = 7 ..... ×3
3x + y = 5 ....... ×2
--------------------------
6x - 9y = 21
6x + 2y = 10
------------------------(-)
-11y = 11
y = -1
2x - 3y = 7
2x - 3(-1) = 7
2x + 3 = 7
2x = 7 - 3
2x = 4
x = 2
Hp = {2 , -1 }
3x + y = 5 | ×2
---> 6x-9y=21
6x+2y=10
-------------- -
-11y = 11
y= -1
2x-3y=7
2x-3(-1)=7
2x+3=7
2x=4
x=2
jadi x=2, y= -1