Best Answer

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.

Q: Why does a negative plus a negative equal a negative?

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No, a negative plus a negative is a negative

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A negative plus a negative still gives a negative answer.

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No, a negative plus a negative is a negative

A negative plus a negative will always equal another negative.

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1 plus negative 10 is equal to -9.

A negative+ a negative= to a negative number.

Negative eight (-8) plus negative three (-3) is equal to negative eleven (-11). It is the same as -8 - 3.

A negative plus a negative still gives a negative answer.

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Always.

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