X= undefined or 0
10(x+4)-3=14x+1
10x+4-3=14x+1
Bring over the 3 and 4 beside the 1 like so
10x=14x+1+3-4
Then take 14x and bring it over to the left where it becomes a negative
-14x+10x=1+3-4
-4x=0
The specific answer is undefined but when you divide it looks like this
-4/0 / meaning division