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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.
What else can I help you with?
Does a negative plus a negative equal a postive?
No, a negative plus a negative is a negative
What is positive 1 plus negative 10 equal?
1 plus negative 10 is equal to -9.
What does a negative number plus a negative number equal?
A negative plus a negative still gives a negative answer.
What does negative four plus negative two equal?
negative six
What does a negative decimal plus a negative decimal equal?
A negative decimal plus a negative decimal equals a more negative decimal
Does a negative plus a negative equal a postive?
No, a negative plus a negative is a negative
What does a plus and a plus equal?
negative
A negative plus a negative equal?
A negative plus a negative equals a bigger negative number.
What does negative 7 plus negative 7 equal?
Equal negative 14!
What does a negative plus a negative number equal?
negative
What is positive 1 plus negative 10 equal?
1 plus negative 10 is equal to -9.
What does a negative plus a negative equal?
A negative+ a negative= to a negative number.
Does negative eight plus negative three equal?
Negative eight (-8) plus negative three (-3) is equal to negative eleven (-11). It is the same as -8 - 3.
What does a negative number plus a negative number equal?
A negative plus a negative still gives a negative answer.
What does negative 1 plus negative 1 equal?
negative 2
When does a negative number plus a negative number equal a negative?
Always.
What does negative four plus negative two equal?
negative six
