Adding and subtracting positive and negative numbers

Question

Mathematics

Guest

19 January, 22:51

Adding and subtracting positive and negative numbers

+2

Answers (2)

Know the Answer?

Brennan Mcbride · Answer 1

When you add two positives it's a positive

When you add a positive and negative it's either depending on each number

When you add two negatives the answer will be negative - 3 + (-4) = -7

Layla · Answer 2

Step-by-step explanation:

Rule Example

+ (+) Two like signs become a positive sign 3 + (+2) = 3 + 2 = 5

- (-) 6 - (-3) = 6 + 3 = 9

+ (-) Two unlike signs become a negative sign 7 + (-2) = 7 - 2 = 5

- (+) 8 - (+2) = 8 - 2 = 6