Question

Which expression is equivalent to 6 - (-21) ? *

O 6-21
O 6+21
O-21-6
0 -21 +6

Answer 1

It would be 6 + 21 because when you have to negatives together it turns into a plus sign
6-(-21)
6+21

Answer 2

6+21 because when u multiple -1 with -21 it gives u +21