Question

Which number sentence is always true?

A.
positive - positive = positive

B.
negative + negative = negative

C.
negative + positive = positive

D.
positive - negative = negative

Answer 1

B.

Explanation:

It is not A because you can say 1 - 2 and those numbers are both positive and your answer for that would be -1 which is a negative number.

You know its B because say -7 + -7 which is -14 so any negative number plus any other negative number results would also be a negative number.

Answer 2

Statement B is always correct