Would someone be able to answer the following questions:

A) 3x+5y-x+2y

B) 3g+5h+4g-2h

C) 4p+2p-3p

D) 9s-5s+2s-s

E) 8t+3r-7t-9r

A) 3x+5y-x+2y=

Group the same sexes

3x-x+5y+2y=

3x-x=2x

+5y+2y=7y

answer: 2x+7

B) 3g+5h+4g-2h=

Group the same sexes

3g+4g+5h-2h=

3g+4g=7g

+5h-2h=+3h

answer: 7g+3h

C) 4p+2p-3p=

Do not need to be grouped. Because everyone is of a gender

4p+2p=6p

6p-3p=3p

answer: 3p

D) 9s-5s+2s-s=

Do not need to be grouped. Because everyone is of a gender

9s-5s=4s

4s+2s=6s

6s-s=5s

answer: 5s

E) 8t+3r-7t-9r=

Group the same sexes

8t-7t+3r-9r=

8t-7t=t

+3r-9r=-3r

answer: t-3r