Ithought of a number, added 4 5/7 to it, and got the number 12 times as big as my original what was my number

Let's call the number you thought of n. Then what the two steps you took can be written as an equation:


Subtract n to get all of your variables to one side:


At this point, I recommend turning your mixed number into an improper fraction. It will make things easier later on:


Now divide both sides by 11 to get the value of n: