Question

please tell answer of this with full solution
I will make you brainliest
surely..​

Answer 1

Step-by-step explanation:

1)p-9pq+4pr-r+r-p

=-9pq+4pr

2)x-y+2x-3y+3x-y+4

=6x-5y+4

3)-5pq+12pq+7pq-2pq+5+2-8-5

=12pq-6

4)x+y

5)10x-11y-2-5-3xy

=10x-11y-3xy-7

6)-3x+x+x-2y-3y-y+15

=-x-6y+15