(-2) - (+6) = -2 -6 = -8
The difference is one number subtracted from another number.
If you relate this question to the number line, it is easier to understand.
-l-----l-----l-----l-----l-----l-----l-----l-----l-----l-----l-----l-----l
-6...-5....-4....-3...-2....-1.....0...+1...+2...+3...+4...+5...+6
The "distance" between -2 and +6 is 8. But, the direction on the number line in which you are moving does change things. When we subtract +6 from -2, the answer is further to the left on the number line.
Plus +6 moves the answer to the right. Plus -6 moves the answer to the left. Similarly, minus +6 moves the answer to the left and minus -6 moves the answer to the right.
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First of all six is greater than three. Six is three more than three and three is three less than six. Six is positive and three is negative. Three is prime (i think) and six isn't.
The same as positive six divided by positive eight.
Six minus negative four is positive ten, because subtracting a negative is the same as adding a positive.
Seven minus a negative six equals a positive one
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