plishhhh mohon bantuannya
Matematika
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Pertanyaan
plishhhh mohon bantuannya
2 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Matriks
a] [3 x] = 10
[2 -2]
3 . (-2) + 2 . x = 10
-6 + 2x = 10
2x = 10 + 6
x = 16/2
x = 8
b] [2x -1] = 19
[x 2]
2x . 2 + x . (-1) = 19
4x - x = 19
3x = 19
x = 19/3 -
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