Answer: 9 + 2/x - x = -19
(192/16)*4.55*1.43 = 39039/500 =78.078
The answer to this is 8.6 repeating
30 is the old value and 55 is the new value. In this case we have a positive change (increase) of 83.33333333 percent because the new value is greater than the old value. Using this tool you can find the percent increase for any value.
Don't know if it's right, but do let me know! use percentage to visualise your workings. :)
