Please help, I'll give brainliest! Simplify the following expressions:

Answer:
Step-by-step explanation:
j) 3x+6y+5x-2y
=8x+4y
k) 6m+2s+11s+m
= 7m+ 13s
l) 2a+3b+2+a+3b+4
3a+6b+6
m) 3a+ 2b+a+5b
= 4a+ 7b
n) 2x+ 2y+6x+ 5y
8x+ 7y
o) y+ 4m+3y+ 5m
=4y+9m
p) 7p + 2q+ Q+3r+4r
=10q+ 7r
q) 11c+ 8d- 6c+11d
=5c+ 19d