Question

what should be substract from -15.834 to get 3.476

Answer 1

to get this you are going to follow these steps :
15.834+3.476
I think this is the answer

Answer 2

Let the no. subtracted be x.
So, according to question
-15.834 - x. = 3.476
-x= 3.476+ 15.834
-x=19.31
x= - 19.31