6X-5y-2Z and -8X+6y+9Z By Admin ReiPosted on December 12, 2022 6X-5y-2Z and -8X+6y+9Z Penjelasan dengan langkah-langkah: 6X-5y-2Z -8X+6y+9Z 6x – 8x – 5y + 6y – 2z + 9z – 2x + y + 7z