12 x + 3 Y – 5 – 2 y – 5 x + 10​

12x + 3y – 5 – 2y – 5x + 10

= 12x – 5x + 3y – 2y – 5 + 10

= 7x + y + 5

Jawaban:

12x+3y-5-2y-5x+10=

12x-5x+3y-2y-5+10

7x+y+5