You can work out the percentage on a calculator by doing:
53/100
=0.53
And hen multiplying 0.53 by 12 to get
6.36
Dont click the link they track your ips
3x+22=10x-41
-22 -22
----------------------
3x=10x-63
-10x -10x
-----------------
-7x=-63
divide by -7 on both sides
yep ur right its x=9