menyelesaikan SPLDV 2x-3y=15 -3x+4y=-19
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menyelesaikan SPLDV 2x-3y=15 -3x+4y=-19
1 Jawaban
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1. Jawaban Anonyme
jawab
2x - 3y= 15.......kali 3
- 3x + 4y = -19...kali 2
6x - 9y = 45
-6x + 8y = - 38.....(+)
-y = 7
y= 7
2x - 3y = 15
2x - 21 = 15
2x = 36
x = 18
(x,y) = (18. 7)