What equation are you referring to? You don't seem to have any equation in your post.
9000000
+ 6
_________
9,000,006
Unless you know what x equals, x - x (or, if it is easier for you to think of it this way, 1x -1x) equals 0. (zero)
1,736,654,567 + 3,345,746,384 = 5,082,400,951
Are 20 and 9 both negative, or is 20 just negative and 9 positive, or 9 just negative and 20 positive? I need more information to answer this question.
Is that exactly what the question is, or did you paraphrase it? There seems to be some information missing from the question you posted.
If I wanted to do the following equation,
two-thirds plus three-fourths is what number
Then I would simply input the following into a calculator.
(2/3) + (3/4) =
A mathematical equation.
