(5x-7y+9z)+(-10x-8y+6z)​

Jawaban:

Penjumlahan bentuk aljabar

= (5x – 7y + 9z) + (-10x – 8y + 6z)

= 5x – 7y + 9z – 10x – 8y + 6z

= 5x – 10x – 7y – 8y + 9z + 6z

= -5x – 15y + 15z

semoga membantu 😉