Kurangkan 5x – 3y +8 dari 5y – 3x -4 adalah… tolong bantu

(5x – 3y +8) – (5y – 3x – 4)
= 5x – 3y + 8 – 5y + 3x + 4
=5x – 5x – 3y + 3y + 8 + 4
= 0 + 0 +12
=12
maaf kalau salah 🙂

=5x-3y+8-5y-3x-4
=5x-3x-3y-5y+8-4
=2x-8y+4