What equals 7 addition?

Answer 1

There are infinitely many possible answers:3+4, 2+5, 1+6, 0+7, -1+8, -2+9, ...

3.5+3.5, 3.4+3.6, 3.3+3.7, ....

then use numbers with 2 digits after the decimal place, 3 digits, ... , infinitely many digits.

Next, start again with additions involving 3 numbers, 4, numbers, ...,

Answer 2

Oh, dude, it's like simple math, right? So, 3 plus 4 equals 7. Easy peasy lemon squeezy. Math is like a piece of cake, just without the frosting.