Math Help Long but Please help....

Ok i am going to list alot of math problems so if you can help i will give you 10 points right away please please help its super important you dont have to explain any just the answers plz For all problems solve for x
1.Bx=5
2.4x=4m
3.x+7b=0
4.x-9t=0
5.5x-b=r
6.5k+7x=4d
7.x over 5=a over 2+b over 10
9.x over 3a=t over g
10.6-3x=kx
11.nx=r+px

4x=4m
x=m

x-9t=0
x=9t

5k+7x=4d
7x=4d-5k
x=(4d-5k)/7

x/3a=t/g
x=3at/g

6-3x=kx
-3x=kx-6
-3x-kx=-6
2x=-6/3k
x=-1/k