Question

Which expression is equivalent to
-9 - 9?
–9- (-9)
0-9 + (-9)
Submit Answer
0-9 +9
|-9- (-9)

Answer 1

-9 - 9 is the same that -9 + (-9)

Answer 2

-9+(-9) is the answer. Bcz if you solve -9-9 is equals to -18 right? So if you solve -9+(-9) it bcomes -9-9 bcz if you see plus and minus together it bcomes negative.