Bantu jawab besok dikumpulkan​

Jawaban:

5x – 3x + 5y – 6y + 3x – 4y

= 3x – y – 2 – 1

= 2x – 3y × 2x

= 2x – y – 1 ✓ ( C. )

(-3x + 5y – 4) – (-5x + 6y – 3) =

-3x + 5y – 4 + 5x -6y + 3 =

5x – 3x + 5y – 6y + 3 – 4 =

2x – y – 1

Jawaban C