Respuesta :

Answer:

7/10x -5y + 1

Step-by-step explanation:

2/5x + 3/10x + 3y - 8y + 1

convert 2/5x into 10ths

4/10x +3/10x + 3y - 8y + 1

7/10x +3y - 8y + 1

7/10x - 5y + 1