Quiz ~ Matematika ~4x + 5y – 7z + 11x – 9y =​

Jawaban:

4x + 5y – 7z + 11x – 9y

4x + 11x + 5y – 9y – 7z

(4 + 11)x + (5 – 9)y – 7z

= 15x + –4y – 7z

koreksi

4x + 5y – 7z + 11x – 9y

15x + 5y – 7z – 9y

15x + 5y – 7z – 9y

15x – 4y – 7z √

maaf kalau salah