Question

1.3m-2m+5m 2.5n-3+n+6 3.5pq+k-7pq-k 4.4a-5b+5b+4a.

Answer 1

1) 3m-2m+5m=-1m+5m=4m
2) 5n-3+n+6=6n-3
3) 5pq+k-7pq-k=-2pq
4) 4a-5b+5b+4a=8a

Answer 2

3m-2m+5m=6m
5n-3+n+6=6n+3
5pq+k-7pq-k=-2pq
4a-5b+5b+4a=8a