Question

what should be subtracted from 7x+2y-1 to get 2x-y+7​

Answer 1

Answer:

5x+3y-8

Step-by-step explanation:

7x+2y-1-(5x+3y-8)

is the answer

Answer 2

Step-by-step explanation:

-5x-3y+8 should be subtracted from 7x+2y-1 to get 2x-y+7