selesaikan spldv berikut 3x+2y=6. 2x-3y=6
Matematika
jakartalaila372
Pertanyaan
selesaikan spldv berikut 3x+2y=6. 2x-3y=6
1 Jawaban
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1. Jawaban AgusSapdiman
3x+2y = 6 |2| 6x + 4y = 12
2x-3y = 6 |3| 6x - 9y = 18
___________-
13y = -6
y = -6/13
masukan nilai y pada persamaan :
3x +2y = 6
3x + 2(-6/13) = 6
3x -12/13 = 6
3x = 6+12/13
3x = 78/13 + 12/13
3x = 90/13
x = 270/13
Hp { 270/13 , -6/13}
^_^