Question

What is 3.5–(-4.1) fast

Answer 1

`=3.5+4.1\\=7.6`

GOODLUCK!

Answer 2

When you minus a negative number, it becomes adding the positive of it.

Therefore, -(-4.1) becomes + 4.1

-> 3.5 - (-4.1) = 3.5 + 4.1 = 7.6