Question

From the sum of (2x – 3y + 8) and (x – 2y – 9), subtract (–5x + 4y – 7).​

Answer 1

Step-by-step explanation:

{(2x – 3y + 8) + (x – 2y – 9)} - (–5x + 4y – 7).

{2x – 3y + 8+x – 2y – 9}- (–5x + 4y – 7)

{2x+x-3y-2y+8-9}-(–5x + 4y – 7)

3x-5y-1+5x-4y+7

3x+5x-5y-4y-1+7

8x-9y+6