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

Answer:

-4+(-9)

Step-by-step explanation:

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

which means they're equivalent to each other