solve this as you can plz
4x+2x=
3x+5x=
12m+9m=
10ab-4ab=
13xy+4xy+
7t+3t-5t=
10ry-2ry=
8d+1d+5=
10a+12a-2=
5 X 2a=
m X 14n=
6t X 2m =
-3a X 6 =
-5c X (-4) =
4 X 2a X 2b =
7 X 2y X 3x=
3K X 2m X 2 =
2 (y+3)+1 =
7 (a-2)=
5 ( 2a-b)=
8-2(a+4)=
factorise
4m+12=
16j -8 =
2n + 4m =
st +2t =