Mathematics, 23.04.2020 23:49, lovebunfan

What expression is equivalent to -21?
A. 9-(-12)
B. 9+(-12)
C. -9+12
D. -9-12

Answers: 2

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Do you know the correct answer?

What expression is equivalent to -21?
A. 9-(-12)
B. 9+(-12)
C. -9+12
D. -9-...