1st: Divide BOTH sides by 6
It'll cancel out all the first fractions, leaving you with 1 + 1 + 1 + 1 = 6x/24
2nd:
Divide BOTH sides by 24
It'll cancel out the last fraction leaving you with: 24 + 24 + 24 + 24 = 6x
3rd:
Add up all the 24's to get 96 = 6x
4th
Divide BOTH sides by 6
Leaving you with 16=x