Collect like terms
a+2a
3a
2 x a
2a
10x / 5
2x
2(a+2)
2a + 4
3x + 6
3(x+2)
3c+6c
9c
3 x 4m
12m
14m / 7
2m
3(x-4)
3x - 12
10x + 50
10(x+5)
5c+2b-3c
2c+2b
3m x 4x
12mx
121k / 11
11k
6(x+3)
6x + 18
10x + 25
5(2x+5)
10x+4m-6x
4x+4m
5 x 2m x 10p
10mp
-30p / 10
-3p
3(2m+3)
6m + 9
21m + 35x
7(3m+5x)
3x-10x+2p
2p-7x
-2m x -3h x 10m
60hm2
-24mx / -6
4mx
3(4p-5m)
12p - 15m
81p - 36x
9(9p-4x)