Question

-

1) Which expression is equivalent to-4-9?
4 - 9
-4+ (-9)
- 4+9
4 + 9

Answer 1

-4-9 =-13

4-9=-5

-4+(-9): +positive sign and -negative sign=- negative sign

-4-9=-13

-4+9=5

4+9=13

Answer:

-4+ (-9)

Answer 2

-4+(-9)

Explanation:

-4-9=-13 and-4+(-9)=-13

which means they're equivalent to each other