Twice the sum of a number and eleven is twenty two less than three times the number . find the number

So for this we need to convert the word problem into an equation, and it'll look like this:  (n=number). And from there, we can solve.

Multiply 2 and (n+11) and your equation should look like 

Add 22 on each side, and your equation should look like 

Subtract 2n on each side, and your answer should should be 

It says in the questions that it is 6.5?