Which expression is equivalent to 6 - (-21) ? * O 6-21 O 6+21 O-21-6 0 -21 +6

asked Mar 3, 2021 31.1k views

4 votes

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

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

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2 votes

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

Robert Rose answered Mar 3, 2021

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1 vote

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

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