tolong di bantu ya, makasi
Matematika
renata212
Pertanyaan
tolong di bantu ya, makasi
1 Jawaban
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1. Jawaban litaaamelia
5x - 6y + 8z + (7x - 9z) - (2y + 9z - 10) = 0
5x - 6y + 8z + 7x - 9z - 2y - 9z + 10 = 0
5x + 7x - 6y - 2y + 8z -9z - 9z = -10
12x - 8y - 10z = -10
6x - 4y - 5z = -5