Respuesta :

Answer:

5x-4y

Step-by-step explanation:

1, Look for your like terms (x,y)

2.Do 2X+5X

3. 3y-7y

4. 5x-4y

Answer:

5x - 4y

Step-by-step explanation:

3x + 2x = 5x

3y- 7y = -4y

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