15-1/6n=1/6n-1
15+1=1/6n+1/6n
16=1+1/6n
16=2/6n
16=1/3n
16*3/1=n
therefore, n=48.........
X is -10. I think, I might be wrong.
If you can see, the 4 in the thousands place is bigger than the tens place. It is pretty obvious. Thousand is bigger than ten, right? If you had ten shirts and thousand shirts, it would be a big difference. Start from the right.
Ones, Tens, Hundred, Thousands, Ten thousands, Hundred thousand, Millions, Ten millions, Hundred millions, Billion, Ten billion, Hundred billion, Trillion, Ten trillion, Hundred trillion, Quadrillion, Ten quadrillion, Hundred quadrillion, Quintillion, ten quintillion, hundred quintillion, sextillions, ten sextillions, hundred sextillions, octillions,ten octillions, hundred octillions, etc...
