Question

Subtracting m + 2n from 2m - n, we get …………​

Answer 1

Answer:

m-3n

Step-by-step explanation:

= (2m-n) - (m+2n)

= 2m-n-m-2n

= 2m-m-n-2n

= m-3n

Answer 2

Answer:

Step-by-step explanation:

(2m-n)-(m+2n)

clear the bracket with  the negative sign

you will get 2m-n-m+2n

collecting like terms

2m-m-n+2n

=m+n