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What is the answer to negative plus a negative?
-n+-n=-2n so -1+-1=-2. In simple terms a negative plus a negative eqauls a negative. You can just add the numbers as if they are positive and then add a negative sign to the answer.
What is negative 40 plus negative 50?
-90 (when you add a negative you simply subtract so -40-50 is -90)
What is 24 plus a negative 8?
Well you subtract -8 by 24 and get 16. You dont add because It is a negative #.
Explain in your own words how we add numbers with different signs?
Positive plus positive equals positive. Negative plus negative equals negative. Positive greater than negative equals positive. Negative greater than positive equals negative.
Why does a negative plus a negative equal a negative?
A negative plus a negative equals a negative because the operation you're doing is equivalent to subtraction. If you wrote down a sum "negative 3 plus negative 7" it would look like this: -3+-7 which is the same as -3-7 Whenever you add a negative number you are actually taking more away, and this is why a negative plus a negative equals a negative - You start with a negative number, and are taking even more away, so you will only ever end up with a negative number.
